15 Common Betta Fish Diseases (With Photos): Prevention and Treatment

Updated on September 16, 2018

Januaris is a supplier of pet food and care products, and he’s a true animal lover. He loves to write about dogs, bettas, bees, and pigeons.

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Betta fish suffers from a number of health conditions, but the good news to the keepers of this type of fish is that these health problems can be prevented and also treated. If the infections occur in the aquarium, they can be easily identified and treated effectively.

This article covers all the common diseases and illnesses of betta fish, their prevention, diagnosis and treatment. So if you keep the Siamese fighting fish at home, read on to learn how you can keep your aquatic pet healthy.

Betta fish diseases and illnesses are categorized into fungal, parasitic and bacterial. Most fungal infections result from previous health conditions. Parasitic ailments are the most contagious and can be introduced into the aquarium by new fish. The most common causes of bacterial sicknesses include poor quality water and inappropriate fish handling methods.

The Common Diseases of Betta Fish, in Brief

Fin and Tail Rot
Columnaris
Hemorrhagic
Dropsy
Pop Eye
Eyecloud
Mouth Fungus
Furunculosis
Fish Fungus
Velvet
Ich
Anchor Worms
Hole in the Head
Swim Bladder Disorder
Betta Tumors

1. Fin and Tail Rot

As the name suggests, this disease affects the fins and tail of betta. It can be caused by bacteria or fungi. The fins and tail appear to melt away as a result of rotting.

It can be prevented by keeping the aquarium or living conditions of the fish clean.

Fin and Tail Rot can be treated by medications containing antibiotics, such as trimethoprim, erythromycin and sulfadimidine.

If it is effectively treated, the fatality is medium.

If you have had Fin and Tail Rot affecting your fish, you may have tried medications such as Tetracycline, Jungle Fungus Eliminator (JFE), Maracyn or Melafix. But the truth of the matter is that these medications are not quite effective in treating this infection, and some even kill your fish.

I have had little success with JFE and the other medications showed no success - they even worsened the condition. According to my own experience, the most effective medication for Fin and Tail Rot is Waterlife-Myxazin manufactured by a reputable company.

The medication is itself a 5-day treatment, and it comes with clear instructions on how to use it. The most amazing thing about this treatment is that it starts to give positive results from day one! According to the manufacturer, it can also deal with pop eye, body rot, raised veins, ulcers, 'redness', cloudy eyes and other health conditions.

If you have the Fin and Tail Rot disease or the related infections in your aquarium, I would encourage you to go for this medication. I have been using it since I discovered it in 2010 and I have had no disappointments with it.

2. Columnaris

This is a bacterial disease that causes the fins to rag and fray. It also causes skin ulcers or lesions, white spots on the mouth, cottony growth on the mouth, scales and fins, and gills discoloration. The fish can have breathing difficulties as a result of the gill infection.

The sickness can be prevented by treating open wounds and fungal infections. It can also be prevented by avoiding factors, such as limited oxygen, water hardness and overcrowding in the aquarium.

Columnaris can be treated by Oxytetracycline and antibiotics containing Sulfa 4 TMP, TMP Sulfa and triple sulfa.

If the infected fish is not treated, it can die in less than 72 hours.

3. Hemorrhagic

Commonly known as Redmouth, Hemorrhagic causes serious bleeding inside the mouth and eyes of the fish.

The disease can be prevented by disinfecting the aquarium to kill Yersinia Ruckeri, which is the bacteria causing the illness.

The treatment of Hemorrhagic is possible with antibiotics such as ampicillin.

The infection is treatable, which means that the fatality is low.

4. Dropsy

This is a deadly ailment that affects the kidneys. The infected fish can have swollen abdomen as a result of accumulation of internal fluid.

Some more symptoms include; outward-sticking scales and sunken eyes.

The bacterial infection can be prevented by keeping the aquarium clean. It can also be prevented by feeding fish with vitamins-rich foods.

There is no known cure for Dropsy but medications, such as Betta Revive, can help with the condition.

Most fish that suffer from Dropsy do not survive.

5. Pop Eye

This disorder causes swelling on one or both eyes. The swelling can be a tumor or viral infection.

Pop Eye is usually a symptom of a disease and can be avoided by preventing infections in the aquarium.

Antibiotics such as Tetracycline can cure the ailment.

Most fish that suffer from Pop Eye survives at the end.

6. Eyecloud

Commonly known as Cloudy cornea, this disease causes white films on the eyes.

It can be prevented by improving the quality of water. A water conditioner is needed to make the water safer for the aquatic animal.

Eyecloud can be treated by antibiotics such as Metafix and Fungus Clear.

The bacterial sickness is not fatal but can impair vision.

7. Mouth Fungus

This is actually a bacterial disease, and it causes white lines and clumps around the lips and mouth of the fish.

It can be avoided by keeping the water clean.

Amoxicillin as an antibiotic can cure Mouth Fungus.

The infected fish cannot survive if the illness is not treated early enough.

8. Furunculosis

The symptoms of Furunculosis include skin ulcers and open red sores.

Improving water quality can effectively prevent the disease.

Fungus Clear as an antibiotic can treat this bacterial ailment.

Furunculosis can kill fish that doesn’t receive treatment in time.

9. Fish Fungus

This is a fungal disease that originates from previous infections. The affected betta usually has cotton-like growths or slime (mucus) on the skin.

It can be prevented by avoiding primary infections and injuries and keeping the aquarium clean.

Antibiotics such as Methylene Blue and Fungus Clear can cure Fish Fungus. It can also be treated effectively by the Bettafix Remedy mentioned below.

The sickness can become fatal if it is not treated early enough.

10. Velvet

Betta infected with Velvet appears to have a rusty skin.

The parasitic disease can be prevented by improving the quality of water and ensuring the living conditions are stress-free. Water conditioners are some of the best substances to improve the living conditions.

It is highly contagious but it can be treated fully by Bettafix Remedy. Manufactured by Aquarium Pharmaceuticals, this medication consists of curing components such as sodium chloride, copper sulfate, acriflavin, formalin, sulfa 4 TMP, methylene blue and malachite green.

With all these healing components, this remedy can also be used to treat all the other diseases, illnesses, sickness and disorders listed on this article. I have been keeping bettas for almost 15 years, and I have seen this medication heal my aquatic pets. I recommend that you use it to prevent, control and treat many ill-health conditions.

If Velvet is not treated early enough, the infected fish dies in a matter of days.

11. Ich

Also known as White Spot, Ich or Ick is a parasitic disease that causes white dots or spots on the skin of betta fish.

It can be prevented by changing the water regularly.

The sickness can be treated by Fish-zole, Malachite Green or salt baths.

It is very easy to deal with the illness if treatment starts early.

12. Anchor Worms

This is a parasitic disease that attacks the tail or fins. The affected parts appear red and swollen and have protruding worms and threads of slime.

It can be prevented by treating any newly infected fish and keeping the water clean.

Some antibiotics such as Methylene Blue and Parasite Clear can cure the disease.

The ailment can become fatal if it is not treated early enough.

13. Hole in the Head

Betta infected with Hole in the Head have an abrasion on the head that looks like a pinhole.

The parasitic infection can be prevented by cleaning water off carbon.

Parasite Clear is an antibiotic that can cure the disease.

The infected fish usually dies after a few days if it is not treated early enough.

14. Swim Bladder Disorder

Also known as flipover, this disorder forces the fish to float at the surface of the water. The affected fish swims sideways or upside-down and can also lie at the bottom of tank. It is caused by constipation, poor water conditions, parasite or bacterial infections and enlarged organs.

It can be controlled by maintaining a high quality water, avoiding overstocking and feeding the fish with the right amount of fresh and fiber-rich foods.

When it comes to the treatment, the swim bladder disorder can be stopped by raising the water temperature, letting the fish fast for some days and then feeding them with cooked peas.

fish with swim bladder disorder | Source

15. Betta Tumors

Betta tumors are usually cancer lumps or minor bumps/cysts under the skin of the fish. They mainly affect the reproductive organs, gills, tail and abdomen, and are caused by genetic mutations and viral infections.

The tumors can be controlled by feeding the fish with healthy foods, maintaining a clean tank, treating other infections and keeping carcinogenic substances away from the tank.

As far as treatment is concerned, the malignant tumors can be hard to cure, but some simple surgical operations can help. The benign tumors and cysts can be treated in a number of ways depending on the cause the lump or bump.

Summary.

Disease	Type	Prevention	Treatment
Fin and Tail Rot	Bacterial/Fungal	Clean living conditions	Tetracycline
Columnaris	Bacterial	Treat open woulds	Oxytetracycline
Hemorrhagic disease	Bacterial	Disinfect aquarium	Ampicillin
Dropsy	Bacterial	Keep aquarium clean	Betta Revive
Pop Eye	Bacterial	Control other diseases	Tetracycline
Eyecloud	Bacterial	Improve water quality	Metafix/Fungus Clear
Mouth Fungus	Bacterial	Improve water conditions	Amoxicillin
Furunculosis	Bacterial	Keep water clean	Fungus Clear
Fish Fungus	Fungal	Avoid primary infections	Methylene Blue/Fungus Clear
Velvet	Parasitic	Clean living conditions	Bettafix Remedy/Fish-zole
Ich	Parasitic	Change water regularly	Fish-zole/Malachite Green
Anchor Worms	Parasitic	Treat new fish	Methylene Blue/Parasite Clear
Hole in the Head	Parasitic	Avoid carbon in water	Parasite Clear
Swim Bladder Disorder	Disorder	Avoid overfeeding	Fasting/raise water temperature
Betta Tumors	Malignant/Benign	Give healthy foods	Surgery/viral medication

Conclusion

Now you have it. With this information, you can keep betta without any worries. Some fish can develop behavioral conditions, such as stress, lethargy and poor appetite, but you shouldn’t be worried about these short-lived conditions, especially if your fish is new in the aquarium.

Important: If you haven't found a solution for your fish yet, do not fail to check the comments, questions and answers below!

Have you ever dealt with any of the above Betta fish infections and diseases?

This article is accurate and true to the best of the author’s knowledge. It is not meant to substitute for diagnosis, prognosis, treatment, prescription, or formal and individualized advice from a veterinary medical professional. Animals exhibiting signs and symptoms of distress should be seen by a veterinarian immediately.

Questions & Answers

Question:
My betta has been hanging out at the bottom of the tank, she doesn’t really eat. Sometimes she’ll zip around the tank and then right back to the bottom. I tried betta fix. What else can I do ?
Answer:
Well, you need to check other signs of sickness in her. If she lacks these signs, then she might not be sick. It is actually normal for fish to stay at the bottom or eat less/not to eat for a certain period.
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Question:
Why did my beta kill itself by butting its head onto the tank?
Answer:
Didn't you see him/her butting? He/she could have developed an infection on the head.
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Question:
My betta seems to have worms coming off of it, and fin and tail abrasions. Could these be two different diseases that I need to treat?
Answer:
Yes, these could be anchor worms and probably fin and tail rot or columnaris. However, the abrasions could have been caused by sharp objects in the tank.
Helpful 1
Question:
Is there a disease where bettas start to get brown spots? I'm pretty sure he's healthy because he hasn't developed any of the signs for these diseases.
Answer:
If he's not looking sick,...
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Question:
My male Betta fish is swollen, and he has what looks like an infection around his eyes. I removed the plastic plants and changed his water every five days. He will get a little better and then swell up again. His eyes were completely swollen shut. After frequent water changes and removal of plastic plants he is starting to recover, but today his mouth is swollen and a bit of inflamed. What can I do?
Answer:
You can try keeping the right water parameters. Check the parameters in the article section of the article.
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Question:
I just got a koi betta. She has rosy pink spots on her gills, and only there, her colors are very faded. But that spot is more noticeable, and her gills are flared up. I have not taken her out of the container from Petco. I need to put her in the tank, but she will be sharing with the Elephant Ear female I got today too, and I don't want her to get sick if the Koi is sick. What should I do?
Answer:
It looks like the living conditions are not favorable for the koi. You need to change the water and clean the tank/container and start doing it regularly. You also need to keep the right water parameters - see them in the comment section of this article. After that, you can keep the two fish together.
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Question:
My Betta Veiltail has had clamped fins for the past three days, I'm really worried about him. He takes his feed normally, but nowadays he seems to lay at the bottom of the tank, mostly at night. What could the issue be?
Answer:
Clamped fins is usually due to stress which is commonly caused by poor water quality. Some diseases like velvet can also cause this problem. See comments in this article to learn how to improve water quality. You can also follow the Bettafix link to get a water conditioner.
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Question:
My betta has a perfectly round not discolored lump on his pectoral fin and has recently been treated for fungal infection and survived. Is this a tumor or more fungal infection?
Answer:
if the lump is hard and firm, then it is highly likely to be a tumor. Tumors are usually hard to treat, but they are not common in fish.
Helpful 2
Question:
Why does my betta have red spots on his fins?
Answer:
Red spots are usually sores (fungal or bacterial) or wounds caused by parasites which thrive in dirty water. You can try changing the water regularly and adding some disinfectant.
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Question:
My betta fish is just sitting at the top of his tank. He looks dead. He has white fuzz on his top, and his fins are sagging. When I poke him with my net to see if he’s alive, he tries to swim very hard, but fails and goes back to looking dead. Do you know what’s wrong with him?
Answer:
You may have taken longer to...
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Question:
My male beta has little black spots on his body. What is it, and what can I do?
Answer:
Most spots are usually fungal. You can try changing water frequently and using the Bettafix remedy mentioned in the article.
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Question:
Why does my male beta fish flare at me when I look at him?
Answer:
His flaring means he is a friendly pet!
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Question:
My betta keeps hiding at the bottom of the tank all day and seems lethargic. There are moments when he swims frantically. His colours are also faded. What is the possible issue?
Answer:
Some issues with your water are causing that fading. The living conditions are definitely not good for him. You need to change your water regularly and maintain the right water parameters. See the parameters in the comment section of the article. You can also get the Bettafix Remedy mentioned in the article to help heal his corroded skin.
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Question:
Hello, my betta's fin look shredded at the ends. Its top fin is not opening fully. And it's perpetually at the water surface. Moves around once in while but mostly static in one top corner of the aquarium. It's eating normally. Can you Please advise?
Answer:
It is highly likely to be Columnaris in its early stages. This is a bacterial infection and is now effectively treated by the Waterlife-Myxazin mentioned in the artcle.
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Question:
Can I feed ants to my betta fish?
Answer:
Absolutely! Insects are always a good option!
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Question:
My betta floats a lot recently, and I've noticed some little long black eggs. Those weird eggs can also float. Also, the betta seems underweight (skinny). What should I do?
Answer:
Most bettas float due to the swim bladder condition, so as indicated in the article, you need to cut down the amount of food you are giving your fish. As for the eggs, it is normal for them to float, but thread-like eggs are associated with toads.
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Question:
I just bought a betta. She looked really healthy when I bought her. It’s been about a week since I’ve brought her home. She has a little red dot on her forehead, and I can’t tell if it’s just a red scale or some kind of disease. What do you think?
Answer:
If she is not showing any signs of sickness, the mark is highly likely to be a developing bodymark.
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Question:
I recently got (2 days ago) two female betta fish and one male. The male seems to chase the girls a lot but has settled down now. One girl is fine and swimming around, but the other is barely swimming and lying sideways on the gravel. Is there a cure for my betta fish's illness? Will my betta fish die?
Answer:
If you are feeding them...
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Question:
My betta fish has a little white ball next to his nose and close to his eye. It looks like a tumor. I'm getting worried about what it could be! I've had him for more than three years already, and he was doing just fine. He still eats and sleeps like normal. Today was clean up time for his tank, and I noticed that ball next to his nose. Any ideas about what it could be?
Answer:
The water was getting too dirty, and this could have caused the problem. Go on to clean the tank and maintain the right water parameters. See the parameters in the comment section of this article.
Helpful 5
Question:
My beta has a new red patch on this head; it looks like a few scales might have come off. Is this an injury or related to some kind of illness? How should I treat this?
Answer:
It is highly likely to be an injury. May be there is a sharp object in the tank. And yes, you can apply some disinfectant.
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Question:
My beta has lost color in some of his scale. It was just a few at first, but now there are many scales that he doesn't have any color. What might this be?
Answer:
It is highly likely to be caused by poor water quality. You can try changing the water frequently, conditioning it and maintaining the right water parameters. See the parameters in the comment section of this article. You can also follow the Bettafix Remedy link included in the article to get a good conditioner.
Helpful 4
Question:
My fighting fish has a lump on the side of its head by its gills, it is not eating, blowing bubbles, and only swims by the filter. I have done a few water changes and I've made sure there are not too many fish in the tank. What could be the problem with my betta fish?
Answer:
If it's a hard lump, it could...
Helpful
Question:
My betta female has a long thin line coming out from under its body. I did not see any description here that matches this condition. What disease could be affecting my betta fish?
Answer:
It is slime or worm. Remove it and keep the water clean.
Helpful 3
Question:
My betta fish has not been eating and has been hanging at the surface at the water, but he only floats. What condition might be affecting my betta?
Answer:
It is highly likely to be the swim bladder condition. See it in the article.
Helpful 3
Question:
My blue bettas' fins are turning white. The tank got a little too dirty with algae. I was told to take my beta out with some water and thoroughly clean the tank, rocks, filter and heater I put conditioner and bio stater as prev instructions the following day my bettas fins were white. What do I do?
Answer:
The new water could be having...
Helpful 3
Question:
My betta has what looks like rotting of his skin on his face chin and neck area with a lot of exposed skin that now appears goldfish. Erythromycin only helped some with fin rot. What else should I try?
Answer:
That is fungal try the Bettafix Remedy mentioned in the article.
Helpful 4
Question:
Can you help me? My beta has a puffy chest. I have tried everything, but nothing worked
Answer:
It could be due to overfeeding/bloating or swallowing something big. It could even be dropsy that is developing.
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Question:
My Betta was a vibrant blue, he's now almost clear in color? I clean the tank regularly but what could this be?
Answer:
Something could be wrong with the water. Try checking and maintaining the right water parameters - ammonia, organic matter, air, etc. See comment section of this article.
Helpful 4
Question:
What does it mean if your betta fish has a medium-sized lump behind its front fin?
Answer:
It's a growth/tumor or a symptom of fungal, bacterial, parasitic, or viral infection.
Helpful 4
Question:
My betta fish can't eat anything. He always spits it out, tries again and then gets tired of trying. When he tries to chew his gills go in and out. Whats wrong with him?
Answer:
The food could be hard and he's trying to soften it. Other possible reasons include overfeeding, bad food that he doesn't like, sickness or mouth ulcers/lesions/cavity.
Helpful 4
Question:
My betta has a light pink growth/spot on the top of its head. It seems to be getting bigger. Still very active and eating. I tried Bettafix; and no change in growth/spot. Do you have any ideas?
Answer:
Some growths are not easy to deal with, but you can try changing water frequently and maintaining the right water parameters. See all the parameters in the comment section of the article.
Helpful 2
Question:
How do I know if my betta fish is ready to breed?
Answer:
If you see something like...
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Question:
My Betta has a small lump towards the end of his tail that protrudes on both sides of him. He’s been barely swimming; as if he is a dog in the water. I did a water change like I’ve always done. What could be wrong?
Answer:
If the lump is hard, it is highly likely to be a tumor. Otherwise, it could be an internal swelling caused by bacteria, virus or fungi.

As for the grey color, this could be velvet. You can try changing the water regularly and maintain the right parameters. You can also get the Bettafix Remedy mentioned in the article to help with the infection.
Helpful 3
Question:
I just noticed today my male betta has a lump on his side near the tail, he's a very active fish and doesn't seem to be having trouble swimming or eating. It wasn't there yesterday or at least not big enough to see. What could this be?
Answer:
If it's a hard lump, then it...
Helpful 1
Question:
Can you tell me why my male beta fish has a big bump under his pectoral fin? He is barely eating and only comes to the surface for air.
Answer:
It could be a tumor or a swelling caused by bacterial or fungal infections. If it's hard, it's highly likely to be a tumor.
Helpful 3
Question:
My betta fish has been acting really strange, he floats upside down but is still breathing. One day we were at Petco looking for answers, and when we got back, he was just fine. What sickness does he have?
Answer:
This symptom is associated with swim bladder disorder. You can try boosting his digestion by raising water temperature, feeding him cooked pea and reducing the amount he's eating.
Helpful 3
Question:
My betta appears to have scales peeling on its head. What could this be? Is it the beginning of hole in the head?
Answer:
Your betta could have been scratched by a sharp object in the tank. You need to give it some time to see how it goes, and of course, act accordingly.
Helpful 1
Question:
I have a beta that seems to be dying, and I can't find a solution. The right side of its body seems dead with a bulging cloudy eye. It is losing its color from light blue to black, and can not use its fin. Can you help?
Answer:
It has to do with the water. Your water is likely to be dirty and having wrong amounts of parameters such as ammonia, nitrites, nitrates, pH, etc. You need to change and condition it regularly and maintain the right amounts of parameters. You can also get the Bettafix Remedy mentioned in the article to try to heal your fish. See the parameters in the comment section of the article.
Helpful 3
Question:
My betta always stays at the top of its tank. Why is it so?
Answer:
That is a behavior of most bettas, so it is normal.
Helpful
Question:
My baby betta boy is acting strangely. He sometimes jerks quickly in the tank; darting quickly from one place to another. His appetite is normal, I see no other signs of distress. His water quality is good as well. Do you have any thoughts? I had this happen to another fish I purchased from the same store, and it ultimately died.
Answer:
Darting may not be a health issue, but he can collide with an object in the tank when speeding, which can be fatal!
Helpful 2
Question:
I bought a betta that has this fluffy like white material on his scales and fins. Apart from that, he seems pretty active. What's going on?
Answer:
This is highly likely to be a...
Helpful
Question:
If a betta fish has fish fungus and velvet, which disease do I treat first?
Answer:
Well, you can start with the...
Helpful
Question:
My betta is not eating the new food I give him and hangs out at the bottom of the tank. I did not feed him for 2 days then I fed him on the 3rd day but he ate didn't eat much of it. What can I do to rectify my betta's not eating?
Answer:
This is highly likely to be...
Helpful 1
Question:
My male Betta has his tail broken and also lost color. It is active at times but rarely eats.it poops well too. What do I do?
Answer:
You need to keep your water...
Helpful 1
Question:
My fish will sit at the bottom of the tank, and it has red stuff on its tail and a worm looking thing. What is this?
Answer:
It's likely to be an anchor worm. See how to deal with it in the article.
Helpful 2
Question:
My betta fish has a discolored head. It is white, but the rest of him is dark blue. Is this normal?
Answer:
If he's not showing any signs of sickness, then it is normal. It could be a normal color change as he grows up.
Helpful 2
Question:
Is it normal that my fish has black around its gills and whitish color?
Answer:
Yes, if there are no signs of sickness.
Helpful 2
Question:
My betta has had a gill puffed out a bit for about two weeks now. I started to use antibacterial drops to help him out, but he's been hiding in his castle, and hasn't eaten in a few days. I recently changed his water and noticed that he had red things on the ends of his tail and fins. What could this be?
Answer:
While a photo could help, it sounds like the red things could be blood blisters. He could have been hurt by rough objects in the tank.

I recommend that you clean your fish and apply the antibacterial drops. Then, remove any sharp or rough objects from the water.
Helpful 2
Question:
My betta is not eating food, why?
Answer:
Possible reasons include - due to overfeeding, being sick, doesn't like the food (hard or tastes bad), mouth issue (cavity or lesions). Sometimes it is just normal - can go for a week without food.
Helpful 2
Question:
My betta has fin rot, and sits at the surface of the tank. The tank is also foggy. What should I do?
Answer:
You need to change the water and treat the fish with the medication mentioned in the article. Follow the link in the article to get the medication.
Helpful 2
Question:
My betta fishes sides have become big like it has bloat, but on both sides. What could this mean?
Answer:
It could be dropsy or just bloat. If you think it's bloat, check the food and the amount.
Helpful 2
Question:
What does it mean when a betta has a white dot on the side of its eye?
Answer:
Most white dots are fungal. A few can be birthmarks and do not make the betta appear sick. So for now, monitor the dot and the betta carefully.
Helpful 2
Question:
My Betta fish sits at the top of the tank and flips almost all the way upside down and can't swim down or hardly at all. He is eating good but his butt is a little big. What should I do?
Answer:
It's highly likely to be the...
Helpful
Question:
My betta has what I'm suspecting fin rot. I already started the salt treatment I noticed some improvements, but the back fin is not growing out at all. It's almost been ten days with salt treatment what should I do to help him grow back his tail? Also waiting now for medicine I bought the fin & body cure by API. Can I start the new medicine right away? Also, I read somewhere that people use salt as preventive care while other only say for treatment, and I'm not sure what to think anymore.
Answer:
Salt is for preventive care....
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Question:
My betta was experiencing a loss of appetite, listlessness, and a popped out gill. I tried giving him salt baths, but they didn't help. He had discoloration on the day he died, and was red behind the gills. A month later, my other betta is showing the beginning symptoms, and I am treating him with Metroplex. So far he not worsened, but not better either, and this will be our third dose today. What do I do?
Answer:
They are likely to be affected by more than one disease or disorder, but the swim bladder condition is a suspect. Other symptoms may be due to dirty water or abnormal water parameters. See how to deal with the swim bladder condition from the article. You also need to change the water frequently and maintain the right levels of the parameters - ammonia, nitrites, nitrates, pH, etc. See all the parameters in the comment section of the article.
Helpful
Question:
My Betta has what look like a pale or whiteness on his fine. Mucus-like stuff comes off of him and floats in the bowl?
Answer:
It looks like slime!
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Question:
I've had three bettas in a row go blind and die shortly after. Do you have any ideas as to why this is happening?
Answer:
There could be some issues...
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Question:
Are there illnesses that would cause a betta to stress after eating? My adolescent will go two or three days without eating. When he does this, he retreats and starts breathing hard. Do you have any ideas?
Answer:
It may be you are giving him wrong foods or high amounts that are giving him swim bladder condition.
Helpful
Question:
The eye of my betta turned all red in the cornea. It looks like it could be a little swollen, and as if he is blind in it. I was thinking possible Popeye, but like I said it's not really swollen. Do you know what it could be?
Answer:
It could be Popeye in its early stages. Try the available medication and keep the water clean and maintain the right water parameters.
Helpful 1
Question:
I have been treating my Betta for his fin rot. I’m using BettaFix and doing 100% water changes once a week. I thought it was getting better but yesterday he was showing signs on swim blatter disorder. He seemed to have trouble swimming to the top for air. So I have put him in a smaller tank with a heater and continued his treatment for fin rot. Today his color is fading. Am I going in the right direction?
Answer:
Yes, but in addition, you...
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Question:
I got another betta recently, and I noticed that it a white plump where his gill is. I'm afraid it's a tumor. What should I do?
Answer:
If it's soft and looks like a ball of cotton, then it's not a tumor. It's most likely to be a fungal infection which can be eased by changing water regularly and maintaining the right water parameters. See the parameters in the comment section of this article. You can also use fungal medication.
Helpful 1
Question:
I’ve had this Betta for a month. The left dorsal fin was torn when I got him but seems to be improving. I’m concerned about what appears to be whiny scales on the edges of his gills. Is this normal? Water parameters show slightly high PH at 8 and 0 ammonia, 0 NO2, 10 NO3. He’s active, flares at his reflection and eats well. Temp is 79. Weekly water changes. 2.6 gal. with filter (Fluval Spec III).
Answer:
Well, if he's active, then it is highly likely to be a normal change of color. But you need to monitor him closely and touch to feel the texture of the white scales. If they are soft, then it can be a fungal infection developing.
Helpful 1
Question:
I just moved my female betta fish and tetra community to larger tank it is very open, and suddenly my beta is dropping off one by one The Simpsons are lethargic paleness and lack of will to do anything almost dead already the fins are tucked in and don't seem that the expressing themselves?
Answer:
The living conditions are not favorable in the new tank! You need to measure the water parameters - see the parameters in the comment section of this article. You can try closing the tank next time - people can drop harmful substances inside.
Helpful 1
Question:
My Betta won't move, and his fins are turning white. He has a white fuzzy substance on his face, and he won't eat anymore. what is wrong with my Betta?
Answer:
He is highly likely to have a fungal infection. You need to do something to your water. Change it regularly and maintain the right parameters. See the water parameters in the comment section of the article. You can also follow the Bettafix Remedy link in the article to get the medication.
Helpful 1
Question:
My betta is acting and looking strangely theese days. He has slight discoloration, normal eating habbits, hangs out around the top, slightly asymmetrical head, fin rot, and white dots on head. I feed him once every 1-2 days and change his water once every 1/2 to 1 week. What am I doing wrong and how can i fix it?
Answer:
You can try checking if the water parameters are right, and optimize them if they are not normal. See the parameters in the comment section of the article.
Helpful 1
Question:
Can you help me? My fish has been sick for about a month. I've tried everything. He will have fuzz on his back that looks like Columnaris. It'll go away a little before it returns looking like a dandelion! I feel terrible that I can't help him...the fuzz looks like that in the Columnaris picture, but it could also be fungus. I've treated him with Lamenting and Metronidazole, and then fungus cure separately. I have also tried Methylene blue. Please tell me what I can do.
Answer:
The problem could be the water and other elements in the tank. You need to start charging water regularly, and you can begin by performing a 100% water change.

Ammonia build-up has been studied to cause all sorts of ailments in fish. You need to ensure that the amount of ammonia, nitrites, and nitrates is below 40 ppm. To lower these compounds, you can do the following.
- Change water regularly.
- Scoop out unnecessary organic matter like food remains, rotting plants and dead fish.
- Vacuum/clean the gravel.
- Unclog the filter.
- Cut down on feeding.
- Avoid overstocking.
- Introduce healthy bacteria.
- Lower pH.
- Increase aeration.
- Use ammonia neutralizing/removing pellets/drops.

When performing a 100% water change, let the tank dry in the sun and soak its accessories in hot water. If you have plants, get them outside to vaporize any water on them. When adding fresh water, include some aquarium salt or conditioner, and ensure the water temperature remains between 26-27 degrees C.

After changing the water, cleaning the tank and obtaining the right water parameters, you can continue with the fungal medication.
Helpful 1
Question:
My Betta has a red dot on his fin and tail. I'm not sure what it is, and I think he's been like that for a month now. He has stopped eating as much as he usually would eat as well. What could it be?
Answer:
If he has been like that for a month and he's not showing big sickness symptoms, then it is likely to be a new color developing. As far as eating is concerned, it could just be a normal change in eating habit.
Helpful 1
Question:
I have a 16-month old female betta who has become somewhat swollen around the abdomen, and she doesn't seem to be able to swim to the top of her tank. She tries very hard to get her food then "falls" to the bottom. What could the problem be?
Answer:
It is highly possible it could be dropsy.
Helpful 1
Question:
Can you advise me as to why my beta has stopped eating for four days and lies motionless at the bottom of the tank?
Answer:
You need to inspect your fish further for more symptoms because any disease can cause a fish to stop eating and lie motionless!
Helpful 1
Question:
My Betta fish has a black thing under its chin. Is that normal?
Answer:
If the fish doesn't show any signs of sickness, it is normal. It could be a developing fin.
Helpful 1
Question:
Both my bettas had Tail Clamp, and both died. So, I recommend adding that to the list, because I guess lots of badly bred babies or young get it. I just got a new betta, an adult this time, we will see how it goes with him! He is very lethargic though, even though I have the water at 79-80 degrees, a slow running filter, a heater, a hideaway place, and a fake plant for it. He is in a 5.5-gallon tank, any ideas? I thought he may have had a ruff past; he is very skittish.
Answer:
You can also ensure other parameters such as ammonia and nitrate/nitrate are always optimum. See all parameters in the comment section of this article. Frequent water conditioning is also highly recommended.
Helpful 1
Question:
My male fish has a discolored head, and my other fish has red around the gills, while her body is a very pale pink. What could this mean?
Answer:
If they are not showing any signs of sickness, then it is highly likely to be normal. It could be an average color change as they grow up.
Helpful 1
Question:
My betta has what appeared to be an abrasion on her belly with a red wound, and now it has turned pale with raised bumps. She is also having issues swimming. Her bottom half seems to be anchoring her down. I have a 5.5-gallon heated tank. The PH is 7.6, Nitrates at 5.0, Nitrites at 0 and Ammonia at 0. I've been doing frequent water changes with aloe. Can you offer any suggestions?
Answer:
The water is okay; maybe the abrasion could have been caused by a sharp object in the water or an anchor worm. If the bottom is swollen, it could be bloat or dropsy. If it is not swollen, the swimming problem is highly likely to be due to the wound.
Helpful 1
Question:
My red betta fish has white spots all over the body and also its jaws are also turning white. How frequently should I change the water?
Answer:
It depends on the tank size. If it is a small one 1 gallon (3.8 liters), you need to change water frequently, at least every week but the recommended period is three to four days.
Helpful 1
Question:
My betta has a white spot on his tail fin, but at times it looks like one of the colors on his fin. He is acting like he normally does. Should I be worried or could it be part of his color pattern? It's just one dot and it hasn't grown since I noticed it two days ago.
Answer:
If he does not behave unwell, it is highly likely to be a birthmark.
Helpful 1
Question:
My betta lost half of his mouth (the whole left upper lip) for no reason at all. What should I do?
Answer:
This is a fungal attack! You...
Helpful
Question:
Why does my betta have holes in his fins? Is it from biting? He bit his fins quite a lot in the beginning from seeing his own reflection, but I don’t know how to treat it.
Answer:
You can try the Bettafix Remedy mentioned in the article. It is good for wounds, sores, bacteria and fungi infections, among other benefits.
Helpful 1
Question:
why does my betta have red spots?
Answer:
They could be caused by parasites or are injuries, or just birthmarks if he/she's not showing any signs of sickness.
Helpful 1
Question:
My container dropped on the floor and the betta was out of water for a few seconds. Got him in another container, but his fins are kind of stuck. Is there anything to do to get my betta's fins normal again?
Answer:
Yeah, give him time. They will be okay!
Helpful 1
Question:
Our Betta is about two-years-old. He is like a pet dog. For the last few days, he just lays on the bottom. I check every morning to see if he is even alive. Sometimes after I check on him, he will zip around, then tire again. His colors are fading. He is our third Betta. Could it be his age? He has a great tank, with live plants, filter, snails. I replaced his water with bottled spring water in a 6.5 g tank two weeks ago.
Answer:
You need to check water parameters such as ammonia, nitrites, nitrates, pH, etc. and ensure they are optimum. See all parameters in the comment section of this article. You also need to check the amount of food you are giving him as high amounts can cause Swim Bladder which forces the fish to lie at the bottom.
Helpful 1
Question:
What happens when a betta throws up red stuff?
Answer:
It could be mouthbrooding, some kind of vomiting, or blood from internal bleeding.
Helpful 1
Question:
My Female Betta has been lying at the bottom and top of the tank; not moving for a few minutes at a time. Her fins are never open, and she often spits out or sort of vomits her food when she eats. Her abdominal looks white and a bit large, but we always thought it was her babies. Do you happen to know if anything is wrong with her?
Answer:
You could be giving her food that causes digestive issues like bloat. You can try changing the food to see if there are any positive changes.
Helpful 1
Question:
My beta has lost interest in eating and keeps his nose to the surface of the water. What is the cause of this?
Answer:
Betta can go for some time without feeding, so this is not a big issue. But as for the keeping his nose near the surface, I think your water lacks enough oxygen. You need to change the water or may be open the tank for some time.
Helpful 1
Question:
We noticed a sore behind my Betta's gill. It doesn’t look any pictures I’ve seen at how should we treat it?
Answer:
There are a number of ways, including using the Bettafix Remedy.
Helpful 1
Question:
My two male bettas have big stomachs, and one of them has really bad fin rot. I got medicine for them and water conditioner for the tank, but why are their stomachs so big?
Answer:
Your fish could be bloated. Check what you are feeding them and how much.
Helpful 1
Question:
My fish have pop eye and eye cloud, and after giving some medication antibiotics now it's having some other problems such as velvet, and there is a white spot near its fin. How do I treat it?
Answer:
Get the Bettafix remedy under the velvet section (from the article) to deal with the two diseases.
Helpful 1
Question:
The tip of my male betta's fins are white. What causes this?
Answer:
It could be fin rot developing, fungal infection or birthcolor, so monitor it carefully in the next days to know the real issue.
Helpful 1
Question:
Will an antibacterial API Melafix work for my bettas fungal attack?
Answer:
Well, Melafix is mainly for...
Helpful
Question:
My beta fish is lethargic, not eating as much, losing his color and staying calm between artificial plants, what could be wrong?
Answer:
He's likely to be overwhelmed...
Helpful
Question:
My betta has white spots. What do I use to fix it?
Answer:
This is fungal infection, and...
Helpful
Question:
My betta has lost her scales on her head and is bloated. I have tried fasting her and have decreased her feeding. No results have shown, I moved her from my male betta and given her more hiding places. She has no lights in her tank and is continuously losing more scales. What is happening to my betta?
Answer:
After the changes you have done, you can give her some time to see if there are some improvements. But you need to optimize water parameters - ammonia, nitrites, pH, etc. She could be having a reaction from these parameters. See all parameters in the comment section of the article.
Helpful
Question:
What is causing my white Opal male beta fish's fins to turn black?
Answer:
It may be either a fungal...
Helpful
Question:
My betta has developed black spots all over mostly one side of her body and at the base of her rear fins. Her behavior is completely normal, but 5 days of treating with AQ and no resolution. What could it be?
Answer:
There could be an issue with the water. You can try changing it and keeping the right water parameters - ammonia, nitrates, pH, etc. See all parameters in the comment section of this article.
Helpful
Question:
My betta appears to have a tumor so after watching a video on how to remove it my boyfriend removed it and now he’s just laying on the floor of the aquarium not moving he’s still breathing but he’s not swimming around, as usual. Is there anything I can do to help my betta recover?
Answer:
You just need to give it time...
Helpful
Question:
Should I feed my betta while medicating, or is it best to let her fast a few days during treatment?
Answer:
There is no problem unless...
Helpful
Question:
My betta fish is slow, sleeps at the bottom of the tank and doesn't move much. What could be wrong?
Answer:
This is highly likely to be a...
Helpful
Question:
Can a male betta's fins get so long that they affect their swimming?
Answer:
Bettas will always grow fins that they will be able to manage unless the fins have a health issue.
Helpful
Question:
My veiltail beta has a bump behind its fin, do you know what the diagnosis may be? Please help, I want to keep my fish healthy and alive.
Answer:
If it's a hard bump, it could be a tumor which is not easy to treat. If it's soft, it could be as a result of fungal infection or even bacterial and you can always find treatment for these infections.
Helpful
Question:
I thought my betta fish might have had an itch, but when I looked closer, it looked like there were air bubbles stuck to him and it was only in his tail fin; it’s like his tail is blowing up like a balloon. What should I do?
Answer:
It's highly likely due to unfavorable water conditions, maybe dirty water. You can try changing the water often and keep the right water parameters. See the comments in this articles to learn about the parameters. Some water conditioners can really help. Follow the link in the velvet section to find some great conditioners.
Helpful
Question:
My Betta's fins have been stiff for a while now, and he has two tiny dots of fin discoloration at the bottom of one of his fins. Do you know what could cause it?
Answer:
If he doesn't appear sick, they are highly likely to be normal body changes that are made to happen when he grows up. The stiffness could just be hardening that is required for effective swimming while the dots could just be birthmarks.
Helpful
Question:
My Betta fish is normally blue, but now, on his back, the blue color is rubbed off, and silver is showing. Is there any help for him?
Answer:
It's highly likely to be issues with your water. You can start changing it frequently and maintaining the right water parameters. See the parameters in the comment section of this article for guidance.
Helpful
Question:
What does it mean if your betta fish has a lump behind its fin?
Answer:
It's a growth/tumor or a symptom of fungal, bacterial, parasitic, or viral infection.
Helpful
Question:
My female Betta has a bump growing beneath her scales on her upper back. What could it be?
Answer:
Most bumps on the dorsal area are usually tumors. It could be a tumor, but you need to monitor its progress as well as other symptoms.
Helpful
Question:
My male crowntail blue betta fish has small black dots on his fin, what should I do?
Answer:
They could be part of your betta's color or a fungal infection.
Helpful
Question:
I thought my Betta had fin rot, but there was only discoloration and a fraying of the ends. I put him in a new, clean tank treated with aquarium salt with daily water changes. Seemed to help but no new growth. Today his gills are slightly discolored. He is eating normally and active, but no bubble nests. He's in a 2.5-gallon tank, unfiltered with live plants. I've been doing 100% changes twice a week. All his water parameters are in safe ranges?
Answer:
I think you are doing the right thing now. You just need someone who knows about Bettas, like a veterinarian, to check your water parameters and advise accordingly.
Helpful
Question:
Three of my bettas died of dropsy a few days after a water change. This seems to be a pattern, but I don’t know why? I have a filtered tank and change 100 percent of the water once a month.
Answer:
Dropsy is deadly, and a 100 percent water change is also not so good. I would recommend you change 50-75 percent of the water just to save the rest.
Helpful
Question:
My betta swims lopsidedly at the top of the tank, has a green dot on his fin, and is turning clear. I don’t know if that is his natural color. He is flaring more frequently, maybe bloated, always stressed and can't stay at the bottom of the tank without fighting. I don’t want to lose him. What should I do?
Answer:
Green dots as infections are usually rare in bettas, so it could be a natural color mark. Concerning the other symptoms, I also think it is a bloat. Just check on the amount of food you are giving him.
Helpful
Question:
My beta has a round hard bump just past the body on its tail. It looks like a tick. What is this bump on my betta fish and what can I do about it?
Answer:
Well, hard bumps are usually tumors and not easy to deal with. But the way it looks- tick- it could be a swelling caused by fungi or bacterial. You can follow the Bettafix Remedy link in the article to get an anti-fungal and anti-bacterial medication.
Helpful
Question:
Why do betta fish have whitish/pinkish spots on their heads and eyes?
Answer:
These spots are just their color or birthmark.
Helpful
Question:
Is it normal for our beta to twitch her tail a lot? We just cleaned the tank and the chemicals are fine.
Answer:
I don't think it's quite normal. You can inspect her closely for any issue.
Helpful
Question:
My betta lies on the bottom, occasionally darts up to the top and sinks back down. Could this be the floating bladder disease?
Answer:
Yeah, highly likely. See how to deal with it in the article.
Helpful
Question:
My red betta has white spots all over, and her jaw is turning white. How frequently should I change the water? What temperature should I maintain? Also, how do I condition the water before I change it?
Answer:
It depends on the tank size. If it is a small one 1 gallon (3.8 liters), you need to change water frequently, at least every week but the recommended period is 3 to 4 days. For the temperature and other parameters, see comments in the article.

For good conditioners, follow the BettaFix Remedy link in the article to find them.
Helpful
Question:
I bought 2 Bettas. One of them, (Blue and Green), has a pink spot on both of her sides under her scales. What do I do?
Answer:
If it's on both sides and the fish doesn't look sick, then it's likely to be a birthmark.
Helpful
Question:
So I think my fish has bloat. I have checked the water, and added a tiny bit of salt, but now he has a white and red spot on his nose. What do I do?
Answer:
You can try reducing the amount of food you're giving him, or changing the food causing bloat. As for the spots, you can start by changing the water regularly and keeping the right water parameters. See the parameters in the article comment section of the article.
Helpful
Question:
My Betta has discharged some yellowish white substance and hasn’t been eating, what may be wrong with it?
Answer:
Could be some digestive...
Helpful
Question:
My beta had a bump on its left side, what could it be?
Answer:
If it is a hard bump, it could be a tumor. If it is a soft one, then it is a fungal or bacterial infection.
Helpful
Question:
I have a veil betta of a blue-black shade and on his back tail fin are some black spots, what could it be? He seems to not be eating well either.
Answer:
It's highly to be ich or another fungal infection. Follow the medication link in the article to get a good treatment.
Helpful
Question:
My betta had a big lump. He is now floating with his mouth to the water, not moving. Is my Betta dead?
Answer:
You can check if he's...
Helpful
Question:
Why does my fish have red dots on his fins?
Answer:
Red spots are usually sores (fungal or bacterial) or wounds caused by parasites which thrive in dirty water. You can try changing the water regularly and adding some disinfectant.
Helpful
Question:
My betta fish has a weird, red-ish, rust-colored spot on his head. It looks like blood, but it's not bleeding. It appeared recently. What should I do?
Answer:
It's either velvet or another fungal infection. Follow the medication link in my article to find a good treatment.
Helpful
Question:
My betta has a red spot on the top of their head, almost like a rash. I've had it for about three to five months. It's also a bit unresponsive sometimes when I feed it. I use Wardley betta food; they are small pellets. Any clue what any of this could be?
Answer:
This is highly likely to be an early sign of velvet. You can try changing water more often and keep the water parameters right. See the parameters in the comment section of the article. As for the treatment, follow the Bettafix Remedy link in the article to get the medication.
Helpful
Question:
My beta has one gill that is sticking out. We have used a Melaleuca antibacterial for a week, which has not helped. Do you have any idea what this is?
Answer:
It's likely to be a swelling or a lump pushing the gill from inside. It can also be as a result of injury, maybe a sharp object that entered the gill and stretched it out. You need to inspect your betta more to know the true cause.
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Comments

AUTHOR
Januaris Saint Fores
5 days ago from Intercontinental
@WOLF It is highly likely that the water has some issues. It is either dirty or its parameters are not right. Try changing the water and maintaining the right levels of parameters - ammonia, pH, nitrate, temperature, etc.
WOLFCRY6372
5 days ago
So I got this super delta betta he looks like there are some red scales and some little holes throughout scales I've done medicine for him. I have another betta he hangs out at the top and I think his gills are swollen because they dont close all the way and he has to open them out more. They also shoe some red what should I do plz help me.
AUTHOR
Januaris Saint Fores
6 days ago from Intercontinental
She could be having the swim bladder condition or some bloat which can also affect the eyes. Let her go for more days without food, and see other ways to deal with the condition in the article.
Vivek jobanputra
6 days ago
My betta fish has a swollen stomach and swollen eyes and is not eating since many days and sticks to top corner of the tank. Please give some solutions to make her alright again
AUTHOR
Januaris Saint Fores
2 weeks ago from Intercontinental
You can try the Bettafix Remedy mentioned in the article or any other reputable medication.
Zoey Wilcox
2 weeks ago
my betta fish has a fin fungus and it has a hole through it now, what should i do?
AUTHOR
Januaris Saint Fores
2 weeks ago from Intercontinental
Let him go without food and also raise the water temperature. This will help with digestion and ease breathing.
Sandrine
2 weeks ago
@Januaris Saint Fores The swim bladder condition can cause breathing problems ? ... Ive read online i should feed him a frozen pea but he's not eating at all so what should i do ?
AUTHOR
Januaris Saint Fores
2 weeks ago from Intercontinental
@Toure You can try checking the water temperature, and keep it at the normal level. You can also try changing the water regularly, and ensure it doesn't have dissolved substances,
AUTHOR
Januaris Saint Fores
2 weeks ago from Intercontinental
@Sandrine Highly likely to be the Swim Bladder condition.
Nia Toure
2 weeks ago
My beta is turning black and I don’t think it’s normal for betas to do that, and my three other fish are always on the side of the tank swimming around, is my heater and filter the problem? And why is my bate turning black?
Sandrine
2 weeks ago
My betta fish has been sick for the over a week. He's been really lethargic, not really eating (he stopped eating completely for about a week, then eating two days in a row and he stopped eating again today), he either stays at the bottom or stays at the surface for really long periods of time and he has a lot of trouble breathing (you can see him breathing heavily). I dont really see any physical symptoms on his body but i was thinking maybe Oodinium ? I dont know what to do. I did a big change of water (about 50%) and then i keep changing it a little bit every few days.
AUTHOR
Januaris Saint Fores
3 weeks ago from Intercontinental
@Jade There could be a sharp object cutting them or some abnormal water parameters like ammonia and pH corroding them. See if the parameters are at normal levels.
Jade
3 weeks ago
So I've had this betta for quite a few months and when I got him, his fins were full and perfect, but over the last couple months his fins have started to look like they are being nipped away. I know it's not fin rot as I've been monitoring him very closely and he shows no signs of sickness. I clean his tank regularly and make sure he's getting all the correct nutrients. Could he be nipping away his own fins or something else?
AUTHOR
Januaris Saint Fores
4 weeks ago from Intercontinental
Concerning the picture, this platform doesn't support photo attachment, so it is not possible to upload it.
AUTHOR
Januaris Saint Fores
4 weeks ago from Intercontinental
If it's cotton-like, then it's highly likely to be a fungal infection. Other possibilities include worm and slime, but fungi is the biggest suspect. You can try keeping the water clean and using Bettafix Remedy mentioned in the article.
ydugger
4 weeks ago
My Betta has a strange white growth on it's side and now it looks like it is splitting open. How do I attach a picture of it so I can ask your help to identify what it might be? Please advise, Yumi
AUTHOR
Januaris Saint Fores
4 weeks ago from Intercontinental
@Kkml32 It looks like you are overfeeding your fish which is giving her the swim bladder condition.
AUTHOR
Januaris Saint Fores
4 weeks ago from Intercontinental
@Louse looks like it's columnaris or some stress caused by the new surroundings. See how to deal with columnaries from the article. If it's stress, you'll wait to see if he'll acclimatize.
Kkml32
5 weeks ago
Hi, my female betta we got as a very small fish about a year ago. While she has grown, about 5 months ago she developed a very large mass on one of her sides. Other than the mass she was fine for about 4 months, but a few weeks ago she bagn to always sink to the bottom of the tank or her cave and lay there all day and her coloring has begun to dull on her body. In the last few days she has stopped eating any foods. Does anything stick out to you? Are there any medications you would recommend or anything to do to help her?
Louise
5 weeks ago
Hi, i bought a betta from a disgrace of a petshop yesterday. The boys fins are clamped together, looks almost as if they fused... Any info and advice will be much appreciated.
AUTHOR
Januaris Saint Fores
5 weeks ago from Intercontinental
@Rrubicon, you could be feeding him excess giving him the swim bladder condition. As for water turning murky, there could be some objects in the water tank dissolving or decomposing releasing particles in the water.
Rrubicon
6 weeks ago
My guy is just as beautiful and full as the day he came home, active and friendly. Best fish ever. Now he sits in tank up in the upper corner, and his water goes murky the day after I clean it. No marks, spots, swelling or fin changes. I’m not sure what to treat! I’m afraid to treat him for something he doesn’t have! Any suggestions?
AUTHOR
Januaris Saint Fores
6 weeks ago from Intercontinental
if the tumor is hard, then it's likely to be cancerous. if it's soft, then it can be a bacterial or fungal infection which can be dealt with the melafix you are using. Give it some time to see how it turns out.
AUTHOR
Januaris Saint Fores
6 weeks ago from Intercontinental
@Mg He might have been injured by some objects in the tank. He might have entered in a place that made him to struggle to come out. You can first monitor him for some days to see how it turns out.
Mg
6 weeks ago
Hi! I need help! My beta fish has a deformed face and neck with small red bubbles at the surface they look like blood bubbles and on side of his chin it looks all swollen. He is not doing very well, very agitated! Help!
AUTHOR
Januaris Saint Fores
7 weeks ago from Intercontinental
Yeah, if the spots are loose and you can easily remove them, then it could be some tiny sand particles getting in the small scales on the face. It could also be a fungal infection which can be dealt by changing the water frequently.
Mare
7 weeks ago
I've noticed that my white betta has developed black spots all around his face, is this normal? I've had him for a year and he's still just as energetic and interactive as he's always been - no changes or sign of sickness. I do have black sand as the substrate, could that becausing it?
AUTHOR
Januaris Saint Fores
7 weeks ago from Intercontinental
Well, if he improving well, then the spot could be a harmless body mark, but you need to keep a keen eye on it to see if there are any changes - like change in size, color, etc
BettaBlue
7 weeks ago
So, I looked at my betta fish and saw a tiny spot on his head. It's not a white spot though. He had grown lethargic recently, so I changed his water and fed him the next day. He seems to be doing better since he's swimming a lot more and eating well. But I am still concerned about that small spot on his head. It's not bothering him, but I'm just curious as to what it could be.
AUTHOR
Januaris Saint Fores
2 months ago from Intercontinental
@Mitchell. You can try optimizing the water parameters - ammonia, nitrates, nitrites, pH, etc. See all the parameters in the comments below, and also their allowed levels.
Joy Mitchell
2 months ago
I had one betta (white opal) that died after his fins got red at the tips). Now I have a 2nd betta (different bowl, etc.) that’s not acting right. Took him out and cleaned bowl. Doing better, but his white fins are now turning red). Ideas suggestions?
AUTHOR
Januaris Saint Fores
2 months ago from Intercontinental
@SkittlesTheBetta This is highly likely to be the swim bladder condition or some stress due to the limited resources. Check the condition in the article and see how you can improve the resources.
SkittlesTheBetta
2 months ago
My male betta hasn't been eating and he lays at the bottom of his tank. He is in a small tank, no filter, no heater and my mom wont let me give him proper housing. He's been like this for 5 days
AUTHOR
Januaris Saint Fores
2 months ago from Intercontinental
If it is a small tank, then change water after every 5 days - at least 75% change. Sometimes you can try 100% water change. You can also try checking the water parameters - ammonia, nitrates, pH, etc and optimizing them. The other thing is to try the medications mentioned in the article - follow the Myxazin and Bettafix Remedy links in article.
Kadie
2 months ago
Help! My fish has a few white spots and a big one by his tail. He isn't as active as he used to be. I clean his tank 1 a week but maybe I didn't do it well. I have betta conditioner but I use tap water should I change it to spring. I think he has Columnaris so please hurry and reply.
AUTHOR
Januaris Saint Fores
2 months ago from Intercontinental
You can try measuring water parameter such as ammonia, nitrate, nitrite, pH, etc and keep them optimum. See all parameters in the comments below. You can also try the Bettafix Remedy mentioned in the article which treats a wide range of fish infections.
Tuty
2 months ago
My beta fish has a white spot under his left eye and his eye swollen
So I start change his water spring water and I add two drops of special conditioner for the water I have four days since change the water he still have it but smaller but I'm worried about his eye is swollen.
Thank you soo much if you could please advice me wat else could I do
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
Small amounts - less than 50g/day.
Ann
3 months ago
how much do you feed beta fish?
Aireana
3 months ago
Thank you so much for your answer, I know you must be very busy! His fins and tail look ok I think...Top fin looks sort of constricted (wish I could post a picture). He likes to eat - will come up/eat and then dive under his leaf again. Is there something I should administer that would not hurt him and possibly clear up anything he may have? Thank you for saving fish!
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
@Aireana It is not possible to attach a photo here, but I recommend that you monitor his progress to note any changes. Fins and tail should be full and vibrant, and with no abnormal spots.
Aireana
3 months ago
Hello,
I have the cleaning & temp of the water right but the PH continues to be high. I use purified spring water in the gal jugs and have been adding a water conditioner.
My betta has a white spot on his lip that I thought maybe a fungus. I treated with tea tree oil for 5 days and seemed to get smaller. I am not sure if the tail/fin is normal or not - may I send a picture? Thank you so much!
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
If he doesn't show any signs of sickness, then it is highly likely to be a birthmark.
Arianna
3 months ago
My betta fish has a blue spot when he is all red what does that mean?
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
It could be some issues with the water. You can try changing it more frequently, condition it and maintain the right water parameters - ammonia, nitrates, nitrites, pH, etc. See all the parameters in the comments below. As for the conditioning, you can follow the Bettafix Remedy link in the article to find the API Aquarium Salt Conditioner.
Paul A.
3 months ago
Hi! My betta had a whitish spot near the fin that has been growing and already took almost half of his body. Also his tail seems to be degrading. I already tried to treat against bacterial and fungal but without success. His behavior seems normal. What can it be? Thanks!
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
It is highly likely to be a fungal infection or worm. Just check it carefully, and if is fungi, you can get the Bettafix Remedy mentioned in the article. If it is a worm, you need to change the water, clean the infected part of the fish and apply some disinfectant.
Jeff Temple
3 months ago
my beta has a bump on his side. It looks like a piece of white it coming out of his scales.
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
He may have the swim bladder condition. You can increase the water temperature, feed him cooked pea and make him eat less and then condition your water. See this conditioner - https://www.amazon.com/gp/product/B0010P0ZJK/?tag=...
Bettalover
3 months ago
Hello, I need help. I just got a new betta, and he is very, very lazy. He sometimes lies on his side. And yet, he looks healthy.
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
Just can just summarize it here.
Susan Mason
3 months ago
What i need to ask is way too long it wont allow me may i email you? My betta needs help...ASAP
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
White lumps are usually fungal, especially if they are soft and loose. Change water regularly and maintain the right water parameters. See the parameters in the comments above. I also recommend you get the Bettafix Remedy mentioned in the article to treat your fish.
nicholas
3 months ago
my fish has a giant white lump on the side of his head
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
If he has some sores, you need to keep the water clean and if possible disinfect it to kill harmful fungi and bacteria they may enter his body.
Michelle
3 months ago
I just rescued my betta fish after he got stuck in the water filter. It's been a day now and he is very still, swimming at the surface of the water, and blowing bubbles. It appears as if his head and back is injured, as he was once completely blue and now those areas are pinkish grey. Is there any way I can save him?
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
Well, a photo could help, but if the lump is hard, it is highly likely to be a tumor. Otherwise it could be an internal swelling caused by bacteria, virus or fungi.
As for the grey color, this could be velvet. You can try changing the water and maintaining the right parameters. You can also get the Bettafix Remedy mentioned in the article to help with the infection.
Lilly4rockstar
3 months ago
My male Betta has a lump or what looks like tumor towards his tail,purtuding on both sides of his body. He doesn’t swim,floats wierd and has almost grey on his chin(? Not sure what that part is called) what could this be?
AUTHOR
Januaris Saint Fores
3 months ago from Intercontinental
Anything to do with cotton or white mass is usually fungal. You need to do something with your water - change it regularly and maintain the right parameters. See the parameters in the comments above. You can also follow the Bettafix Remedy link in the article to get the fungal medication.
steeeephie
3 months ago
My betta has a swollen eye with what looks like fungus or cotton coming out of his eye. He is very lethargic and not eating or swimming around. This appeared, what seems to be out of nowhere, a day and half ago. Can you please give me a recommendation of what it is, and what I can do to help him?
Thank you
AUTHOR
Januaris Saint Fores
4 months ago from Intercontinental
This is highly likely to be an early sign of velvet. You can try changing water more often and keep the water parameters right. See the parameters in the comment section of the article. As for the treatment, follow the Bettafix Remedy link in the article to get the medication.
Kitty kat
4 months ago
Before doing current research on bettas I went out to buy two female bettas for my male betta as I had learned along long long time ago that it was the only dynamic they would do well in. So as I was slowly trying to get them accustomed to one another (before my current research) I was having them in the same tank. Obviously it didn't work out so that's when I found out that this was not an ideal social setup so I separated them. I don't think my females were sick when I bought them but now all three of them seem to have similar signs of illness that I noticed only after I started feeding them bloodworms. They are all acting fine with no change to their behavior however they have physical marks on them that were not there previously. They all have what seems to look like two slanted very pigmented red scars near their gills on both sides of their bodies. There is a more noticeable underlying redness to their faces, no swelling whatsoever. So I don't know if this is an illness or not, or if it's due to their tank, to the newly introduced bloodworms, or something else. Seeing the stuff on the list gives me a couple options of what it can be but they don't show any other signs of those illnesses. It's just the redness that is the only factor in those illnesses. So I am still lost as to what it could be if anything. Any help would be so greatly appreciated, thank u.
AUTHOR
Januaris Saint Fores
4 months ago from Intercontinental
As answered in the questions section, this is highly likely to be an early sign of velvet. You can try changing water more often and keep the water parameters right. See the parameters in the comment section of the article. As for the treatment, follow the Bettafix Remedy link in the article to get the medication.
Laur
4 months ago
My white betta (unsure of the gender) has red on the top of their head, almost like a rash, I've had it for about..3-5 months i think. It's also a bit unresponsive sometimes when i feed it, I use Wardley betta food, they are small pellets.Its been there for a few weeks and they're also a bit pink almost, I'm really concerned. Any clue what any of this could be?
AUTHOR
Januaris Saint Fores
4 months ago from Intercontinental
Well, if he looks pretty normal - no signs of sickness, then it is highly likely to be nipping.
On the other issue, white spots are usually fungal. You can follow the link in the article to get a Bettafix Remedy.
Andrewdad65
4 months ago
For the past 3 days my approximately 6 month (we've had him for 3) male veiltail betta's caudal fin has started to look very ragged, to the point of becoming stringy from chunks missing. folks who see the photo say he is nipping (wish i could show photo). How do you differentiate nipping from fin rot? Columnaris? If he is nipping, what do we do? 3 gallon tank. Water parameters are all good. Temp 78 degrees. Moss balls. Artificial plants. 1 Nerite snail. Always keep a couple small Indian Almond leaves, low dose of aquarium salt.
Also just noticed small white spot on his left gill cover, size of single scale or so. Definitely new.
AUTHOR
Januaris Saint Fores
4 months ago from Intercontinental
If she is acting normal, it is highly likely to be a problem with the water. You can try changing the water regularly and maintaining the right water parameters. See the parameters in the answers above.
BlanchJameson200
4 months ago
Hello,
My sweet female betta fish has 3 hard(looking), white bumps on her body. Biggest one on the top of her fin. She is acting perfectly normal, eating well , and the rest of her looks great. Good color, fins and tail look good.
What could these hard looking, white bumped be? And how to treat?
Thank you !!
AUTHOR
Januaris Saint Fores
4 months ago from Intercontinental
If it's a large area, it's highly likely to be a velvet developing. Get the Bettafix Remedy mentioned in the article to control the infection!
Zul
4 months ago
Hey there, my female betta has a grey area on her head. larger than ich, and not white. I do not think it is hole in the head, it does not look like an indent.. what could this be?
AUTHOR
Januaris Saint Fores
5 months ago from Intercontinental
You can try keeping the water parameters optimum. Keep the right levels of pH, ammonia, nitrites, organic matter, etc. See the parameters in the comments above, and try to give him some time to see if there are any positive changes.
Merju
5 months ago
Hi,
My betta fish has fins rot. I have tried everything: change its water frequently. Used bettafix. The stopped it since I read it does not work. I also used JFC tablets, but I don’t see any improvement in the fins. He eats well and swins and rest normally, but I don’t see its fins recovering. What else can I do? Please help
AUTHOR
Januaris Saint Fores
5 months ago from Intercontinental
Like I have answered in the Q&A section, if she is not showing any signs of sickness, it is highly likely to be a developing bodymark. So don't worry, but keep a keen eye on her to act immediate in case it's not a mark.
Anonymous
5 months ago
My new betta I got had a small red spot on top of her head. I have her in quarantine before I add her to my sorority. I can’t tell if the spot is still methgoing by that needs to be treated. I can’t tell if it’s just a scale though. Should I treat her and what for?
AUTHOR
Januaris Saint Fores
6 months ago from Intercontinental
If she was fine hours before, then it is likely that she was bruised by a sharp object in the water. You can disinfect the wound and keep the water extremely clean.
Mary
6 months ago
female beta has what looks like a large bruise on her side after mating she was fine before. this was only about 4 hours after mating she is staying on top of the water and does not look well what can I do?
AUTHOR
Januaris Saint Fores
6 months ago from Intercontinental
It is highly likely to be swim bladder or bloat. See the remedies for swim bladder in the answers above. As for bloat, just cut down on the amount of food you're giving him, but let the food feature some peeled pea.
Ali
6 months ago
PLease HELP! My Betta is having issues and I’m very concerned for him, I’ve had him for 2years now and a few days ago I noticed him laying at the bottom of the tank, the next day he was still there and barley moving around. My boyfriend bought some medicine for him because he looks like he has tail rot but he might have another problem he looks really bloated and lays side ways and sometimes vertical and doesn’t look like he’s breathing. I’ll shine a light at him and he’ll swim up the the top get air and fall back down slow vertical again :( I don’t know what to do now.. I have him being treated in a little fish bowl and now using water conditioner.. he was in a 5 gallon tank when he got sick. What does this mean when he’s vertical could he have kidney disease or something??!? Pls help .. thanks in advance!!!
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
Yeah, you can do.
Kelly Corder
7 months ago
Can I send a picture of my bettas problem? I don't know how to explain it.
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
It can't be okay! In this case, they are likely to be furunculosis,
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
Highly likely to be tail rot.
Jayden Chin
7 months ago
I have a three week old betta that has a white area at the end of its tail. My I know of what it is?
Say Kioon Simon
7 months ago
Is it okay if the white part is surrounding the pink (There are small pink spots around him now with white covering the outer circle)
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
He could have been pierced by a sharp object in the tank, but if the spot has a white area, it could be a worm.
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
Tap water is okay, but distilled water (mineral water) lacks minerals that fish needs to survive.
Say Kioon Simon
7 months ago
And along with that other question, can I use Mineral water ( the water we drink). i need answers desperately... Thank you
Say Kioon Simon
7 months ago
Now I have another problem. Although my fish has healed... It seems to have a pink spot on its left side... I think its like fish fungus or something.... I only shifted it to a colder room. but since i live on a tropical place, its very hot. So I'd like to know what happened.... Thank you if you see this.
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
Well, a lot of infections can cause fish to lay on its side. Watch it carefully for more symptoms in order to diagnose the specific infection.
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
That should be fungus! See how to deal with it from the article and similar answers above.
Say Kioon Simon
7 months ago
My fish is laying on its side, but i still see its fins are moving. And it was breathing. What do I do????
Laura
7 months ago
Hi can you help me? My Betta male has these white bumps coming out of his scales right beside his top fin... I don’t know what it could be :(
AUTHOR
Januaris Saint Fores
7 months ago from Intercontinental
Don't you think that it is fungus. See the disease above and remedies. You can also try to keep the water parameters right. See the parameters in the answers above.
Brenda
7 months ago
My son's beta fish has a whitish growth in between his lower fins. He hasn't eaten for awhile but still is swimming around. We have change the water about every 3 - 4 weeks. Any idea what it might be?
AUTHOR
Januaris Saint Fores
8 months ago from Intercontinental
Likely to be fish fungus. See the disease above.
Jenny Gane
8 months ago
My fish has white stuff around his mouth??
AUTHOR
Januaris Saint Fores
8 months ago from Intercontinental
It's likely to be a fungal infection. And most fungal infections are caused by poor water quality. Try to improve the water and keep the right parameters - see them in the answers above.
idk
8 months ago
my betta fish has bland spots on his fins. What is that?
AUTHOR
Januaris Saint Fores
8 months ago from Intercontinental
Don't you think it's furunculosis? See its remedies above. Other possible infections are fungus and velvet. Just monitor your fish carefully to know the exact infection.

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15 Common Betta Fish Diseases (With Photos): Prevention and Treatment

The Common Diseases of Betta Fish, in Brief

1. Fin and Tail Rot

2. Columnaris

3. Hemorrhagic

4. Dropsy

5. Pop Eye

6. Eyecloud

7. Mouth Fungus

8. Furunculosis

9. Fish Fungus

10. Velvet

11. Ich

12. Anchor Worms

13. Hole in the Head

14. Swim Bladder Disorder

15. Betta Tumors

Summary.

Conclusion

Have you ever dealt with any of the above Betta fish infections and diseases?

Questions & Answers

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15 Common Betta Fish Diseases (With Photos): Prevention and Treatment

The Common Diseases of Betta Fish, in Brief

1. Fin and Tail Rot

2. Columnaris

3. Hemorrhagic

4. Dropsy

5. Pop Eye

6. Eyecloud

7. Mouth Fungus

8. Furunculosis

9. Fish Fungus

10. Velvet

11. Ich

12. Anchor Worms

13. Hole in the Head

14. Swim Bladder Disorder

15. Betta Tumors

Summary.

Conclusion

Have you ever dealt with any of the above Betta fish infections and diseases?

Questions & Answers

Related

Popular

Comments

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