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

Updated on August 27, 2019
Jan Saints profile image

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.

Betta fish suffer from a number of health conditions, but the good news for keepers of this 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, as well as their prevention, diagnosis, and treatment. If you keep Siamese fighting fish at home, read on to learn how you can keep your aquatic pet healthy.

Betta fish diseases and illnesses can be categorized as fungal, parasitic, or 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.

Betta/Siamese fighting fish
Betta/Siamese fighting fish | Source

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

1. Fin and Tail Rot

As the name suggests, this disease affects the fins and tails of betta fish. 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.


Fin and tail rot
Fin and tail rot | Source

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.

Columnaris
Columnaris | Source

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.

Hemorrhagic
Hemorrhagic | Source

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.

Drospy
Drospy | Source

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 survive at the end.

Pop eye
Pop eye | Source

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.

Eye cloud
Eye cloud | Source

7. Mouth Fungus

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

It can be avoided by keeping the water clean, i.e., changing and conditioning it regularly.

Amoxicillin as an antibiotic can cure mouth fungus. Other medications that cure general fish fungus (described below) can also help with the infection.

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

Mouth fungus
Mouth fungus | Source

8. Furunculosis

The symptoms of furunculosis include skin ulcers and open red sores that can also appear on the fins and tail.

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.

Furunculosis
Furunculosis | Source

9. Fish Fungus

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

It can be prevented by avoiding primary infections and injuries and keeping the aquarium clean, i.e., changing and conditioning the water regularly.

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.

Fish fungus
Fish fungus | Source

10. Velvet

Betta fish infected with velvet appear to have a rusty skin and scaly head including the gills, and can have black spots allover the 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.

Velvet
Velvet | Source

11. Ich

Also known as white spot, ich or ick is a parasitic disease that causes white dots, rings, or spots on the belly, fins, tail, gills, and other parts of the skin of betta.

It can be prevented by changing and conditioning the water regularly, and also optimizing parameters like ammonia, pH, nitrites, and dissolved solids.

The sickness can be treated by Fish-zole, Malachite Green, salt baths, or the Bettafix Remedy mentioned above.

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

Ich
Ich | Source

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.

Anchor worms
Anchor worms | Source

13. Hole in the Head

Betta infected with hole in the head have an abrasion on the head that looks like a pinhole or white fuzz.

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.

Hole in the head
Hole in the head | Source

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
Fish with swim bladder disorder | Source

15. Betta Tumors

Betta tumors are usually cancer lumps, growths, 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.

Betta with tumor at the tail
Betta with tumor at the tail | Source

Summary

Disease
Type
Prevention
Treatment
Fin and Tail Rot
Bacterial/Fungal
Clean living conditions
Tetracycline/Waterlife-Myxazin
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.

Moreover, betta fish can suffer from fading color or abnormal color change, and can develop things like bubbles and solid particles on their bodies. These conditions can be controlled by changing and conditioning the water regularly, and also optimizing parameters like ammonia, pH, nitrites, nitrates, air, water hardness, water temperature, and organic matter and dissolved solids.

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?

See results

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

  • 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 ?

    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.

  • My new Betta fish, that I got from Walmart (so you know it was in horrible conditions before I got it) is now gasping at the top of the water; he flares up anytime that anyone comes around him, he's not swimming like a normal Betta fish does either. He's my baby brother's fish, and he would be devastated if it were to die. What can I do to treat him?

    It looks like you have fed him a lot, and as a result, has developed the swim bladder condition. See how to deal with the condition from the article. He could also be under stress because of the new conditions, so you can also wait to see if he'll get better.

  • My betta fish is pale and is alive but at the bottom of its tank. What does it mean when a betta fish remains at the bottom of its tank?

    Highly likely that you are overfeeding him and has developed the swim bladder condition. See how to deal with the condition from the article.

  • Why did my beta kill itself by butting its head onto the tank?

    Didn't you see him/her butting? He/she could have developed an infection on the head.

  • My betta fish is not moving much and is lazing around on one side of the tank. Its fins appear to have become stiff. What is the cause and cure for such a condition?

    It looks like he's being overwhelmed by the conditions of the water. Try changing and conditioning the water, and maintain the right levels of water parameters - pH, ammonia, nitrites, etc. See all parameters in the comment section of this article.

© 2015 Januaris Saint Fores

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    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 days ago from Intercontinental

      @Nneka, see the disease which causes red spots from the article, but you should start by changing and conditioning the water.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 days ago from Intercontinental

      @Diane, your water could be the problem. You need to improve its quality. i.e, change and condition.

    • profile image

      Diane 

      2 days ago

      my Betta had a white bubble over the top of his eye it got big an it pushed his eye out of socket now hes getting another bubble on top of eye he eats pretty good i dont think he sees very good so i push the pellet food toward him so he can swim he dose swim around but likes hanging on bottom of tank

    • profile image

      Nneka Brathwaite 

      4 days ago

      I have a spawn of fry which are dying with one large red spot on the body of fish. Any ideas as to the problem?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      10 days ago from Intercontinental

      @Sheryl you can try another medication and keep the parameters of the water optimal. See the parameters in this comment section.

    • profile image

      Sheryl 

      10 days ago

      We thought our betta had fin rot cause his tail was straggly on the ends snd his littke fins on the side are patchy as well. We moved him to his own tank and treated him with tonic and then melafix. It has been 10 weeks and he is not looking better. What coukd we be missing. Thanks

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      13 days ago from Intercontinental

      @Nic, if they have been there since you got the fish, they are likely to be natural - bodymarks, otherwise they are a fungal infection and you can check how to deal with them from the article (including the comment section).

    • profile image

      Nic 

      13 days ago

      There are white spot on my betta fish's both eyes. May I know is it infected or it is natural.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 weeks ago from Intercontinental

      @WH, see fish fungus from the article.

    • profile image

      WH 

      2 weeks ago

      Hi, some white stuff grow on my Betta fish's fin. May I know what caused that?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 weeks ago from Intercontinental

      @Juli, it's likely to be a fungal infection developing, so keep an eye on it as you try the fungal remedies discussed in this article (including the comment section).

    • profile image

      Juli 

      2 weeks ago

      I just changed my Betta fish's tank from a 1gal to 5gal yesterday. He was swimming around and seemed pretty happy last night, but this morning he is hiding a lot behind his plant and not really seeming active. Additionally, when I woke up this morning I saw he had a white patch right at the end of his body where the fin starts. It doesn't look like Ich/Ick from the photos I've seen, as it's too big, but it doesn't appear wispy and doesn't look like a white fungus either. I only got him a month ago from Petco and he was doing relatively fine aside from being stressed due to the conditions of his 1gal tank.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 weeks ago from Intercontinental

      @Mohamed it's likely to be swim bladder but you can check for more symptoms to know the exact condition.

    • profile image

      mohamed anfas 

      2 weeks ago

      my betta fish which is red .his belly turned yellow and he sank to the bottom not moving an inch what can i do

      pls tell me

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      3 weeks ago from Intercontinental

      @Sandra, it is highly likely to be a fungal infection and there are a number of ways you can help him as detailed in the article.

    • profile image

      Sandra 

      3 weeks ago

      Hello, my betta has been mine for almost two years. Recently he has been lethargic and seems to have a ... fuzzy spot? soft spot? weird growth? show up. It is just where his tail fins meet his body on the underside. What do you think it is and can I save him? He is still eating. He could use a water change but I was afraid of stressing him out.

      I'd appreciate your help.

      Sandra

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      5 weeks ago from Intercontinental

      @Sophia. I think he's just fine, but you can keep monitoring him for more unusual behaviors.

    • profile image

      Sophia Mannone 

      5 weeks ago

      So recently I purchased a male and female beta fish from petco. The female is doing amazing but the male not so much. He is constantly floating at the top of the tank where sometimes I think I see a little curve. He also will not eat. He looks very healthy and swims fine when he can, but whenever he does swim it looks like the water is making him float back up and can never rest at the bottom. He also seems very sensitive to light, so I usually keep the light off. He although did try to eat once. Maybe I’m just paranoid, but I this is only like my second time having a beta.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      5 weeks ago from Intercontinental

      @questions, as the virus is zoonotic.

    • profile image

      questions 

      5 weeks ago

      can betta fish get corona

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      5 weeks ago from Intercontinental

      @Time, see the disease with this symptom from the article.

    • profile image

      corona time 

      5 weeks ago

      my betta fish has dots all around his eyes . Do you know what that is ?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      7 weeks ago from Intercontinental

      @fishlover it's normal - fighting to decide who will dominate the tank.

    • profile image

      FISH LOVER 

      7 weeks ago

      I have 21 female beta in a 40 gallon tank and 2 male. why are they fighting?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      2 months ago from Intercontinental

      @Lorene most likely to be a fungal or bacterial infection.

    • profile image

      Lorene Whittington 

      3 months ago

      My beta has a clear bump on his side looks like a boil. Looks like it could bust what could this be?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      3 months ago from Intercontinental

      You can then try the treatment methods discussed in the article.

    • profile image

      Dave 

      3 months ago

      I think my Betta has Swim Bladder Disorder

      It's day 3 with no food,well he while laying on bottom of tank hold his tail bent and skyward

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      4 months ago from Intercontinental

      @Tammy. The water could be the problem, so you can have it checked.

    • profile image

      Tammy 

      4 months ago

      I recently lost 3 of 4 females in my healthy sorority. They went from eating and normal activity to death within 36 hours. They have no outward signs of disease. I introduced 3 rasboras less than a week prior; I also noticed tiny white specs on on the plants that have been in the tank for about 1 month. Any suggestions? I'm devastated. They were happy and doing well together.....

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      4 months ago from Intercontinental

      @Joseph looks like he's finding some comfort there!

    • profile image

      Joseph 

      4 months ago

      My Beta is hanging around the filter a lot. Almost like he is sleeping right behind the filter. When I move the filter he will move out and swim a little, but withing a few minutes he will be right back by it. It will sit there for long periods of time without moving. I will add that this is a brand new fish. We have him in a 2.5 gallon tank. Filtered and heated. Is he staying by the filter as a comfort thing? Is the filter to strong or stressing him out? Will he get used to that and more active after a few days?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      5 months ago from Intercontinental

      @Anna You can try reducing the amount you feed him and optimize the water temperature - see the swim bladder condition from the article.

    • profile image

      Anna 

      5 months ago

      My betta fish had a cottony looking fuzz on his back ... I treated him with ich and jungle fungus. He seem to of gotten better his tail has gotten a little shorter but looks like it’s growing back healthy. I’ve I’ve done a lot of changes I do not understand he’s still lays at the tops of the leaves at the top of the water he does not swim around at all and if he does it sideways I don’t know what else to do this is been going on for about a month and a half for a while there I was feeding him like three times a day

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      6 months ago from Intercontinental

      If it's hard/firm and not cotton-like, it is highly likely to be cancer, but you can also check out other symptoms from the article.

    • profile image

      Merriweather 

      6 months ago

      My fish has a tumor that is yellow, and he has one on each side. How do I know if its cancer?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      8 months ago from Intercontinental

      @Sharon, yeah, that is a strong indication that she need some more heat, so you can try increasing it.

    • profile image

      Sharon 

      8 months ago

      Recently purchased a small heater for my betta's fish bowl. Now all she wants to do is stay by the heater. Is the water too cold otherwise?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      8 months ago from Intercontinental

      @Charlotte It looks like the quality of the water is decreasing and this is overwhelming your fish. You can try changing and conditioning it regularly.

    • profile image

      Charlotte Freeman 

      8 months ago

      I believe my Beta recognizes me. It will come to the side of the tank where I am at and start moving it’s fins rapidly. However, I am getting worried about Bailey because he’s looking frazzled lately. What can I do to fix this issue? Also, there is a film that develops on top of the water so does he produce some type of chemical ?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      8 months ago from Intercontinental

      @cj You can try changing and conditioning the water regularly, and also optimizing parameters such as dissolved solids, ammonia, nitrites, pH, etc.

    • profile image

      cj 

      8 months ago

      i bought my daughter a betta a couple weeks ago. Ive had bettas before but never had to deal with any skin/fin ailments. This otherwise active. bright blue betta, Sky, developed tiny red dots that resemble the red betta food balls.Sone look like they're sitting on his skin, others arent as raised. They are mostly on his tail but some on his underbelly fins.Weve been treating the tank with Bettafix. The fishstore said that it would treat most fungal, bacterial or parasitic problems but they also advised to me that they arent veterenarians. The dots dissipated but during the 7 day treatment, they reaappeared. Any advice?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      9 months ago from Intercontinental

      @Crimson you can see how to deal with white spots from article, but as far as eating is concerned, it looks like he has the swim bladder condition and can therefore go for days without eating until the condition is gone.

    • profile image

      Crimson 

      9 months ago

      My fish Crimson just recently got over dropsy we have taken good care of him but now he seems as pale as he was when had it but isnt bloated and has this white spot near his gill. He barely eats and it gets hard to feed him. I uavent fed him for a while and not on purpose he just wont see it or realize its there.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      9 months ago from Intercontinental

      There are some more remedies under the disease description that you can also check and try on your fish.

    • profile image

      Angela Nisbett 

      10 months ago

      I have diagnosed my Betta to have swim bladder disease. Have fasted for a length of time. Still swims funny but has the will to live. Finds locations to stay at the top of the tank otherwise unwillingly floats to bottom. Problem I am having now is he won't eat. Have tried his pellets, frozen bloodworms and peas. He is not interested. He has been fasted now for 2 weeks. What else can I try?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      11 months ago from Intercontinental

      @Nimbus it is highly likely that there was a big problem with the water. It is usually recommended to change and condition it regularly, and optimize parameters such as pH, ammonia, nitrites, dissolved solids, etc.

    • profile image

      Nimbus 

      11 months ago

      My fish Nimbus passed recently he would hang at the bottome of his tank and struggle to stay afloat, we tried treating him for swimbladder and because hus fins had been torn badly fin rot, he refused to eat for weeks i had even tried changing his food from dried blood worms to pellets and ended up needing to lower his water levels so he can breathe what did i do wrong?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      11 months ago from Intercontinental

      @Lilly It's highly likely to be a fungal infection, and you can try changing the water regularly. You can also try the Bettafix Remedy mentioned in the article.

    • profile image

      Lilly 

      12 months ago

      what does it mean when there is a yellow-white gunk near or on the gills of a beta fish?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      12 months ago from Intercontinental

      @Diana if the light yellow stuff is cotton-like, then it's highly likely to be a fungal infection, and you can try changing and conditioning the water more frequently. You can also try the Bettafix Remedy mentioned in the article.

    • profile image

      Diana 

      12 months ago

      My Betta fish has a bump or a lump on top of his head it has like light yellow stuff on it what should I do to cure it?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      12 months ago from Intercontinental

      @charlie In addition to cleaning the water, you need also to change and condition the water regularly and optimize parameters such as dissolved solids, pH, ammonia, nitrites, etc.

      Moreover, see velvet from the article and check if your fish has its symptoms.

    • profile image

      charlie 

      12 months ago

      my beta fish is a female and shes smaller than usual. when i got her she was bright blue and turquoise, now maybe 3 weeks later, the very tops of her fins are turning brown along with the area near her gills, the brown is getting worse but only by a tiny bit, I've noticed shes inactive lately too. I've cleaned her tank and watched her more, but still keeps happening, i don't know if its the food I've gave her, but i doubt it, .my friend who is a fish expert told me this is the best food. i feed her a little in the morning and a little at night.

      i have never had a fish before and this is my first one, could you please help me find out whats wrong with my fish please?

      also if this one were to pass could you recommend me a fish that is easy for beginners, like me?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      12 months ago from Intercontinental

      That's likely to be a fungal attack, and you can try the Bettafix Remedy mentioned in the article.

    • profile image

      Ada Smith 

      12 months ago

      My Betta fish has a white ripped looking kind spot on its caudal fin. What is it and what can I do about it.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      12 months ago from Intercontinental

      If it's a hard/firm one, then it's highly likely to be a tumor. Otherwise, it's a fungal, bacterial, viral or parasitic infection.

    • profile image

      Tiffany McKenzie 

      13 months ago

      My Betta has a black lump growing on his pectoral fin, it doesn’t fit any common ailments. Cancer?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      13 months ago from Intercontinental

      See how to deal with spots from the article.

    • profile image

      Alexander 

      13 months ago

      My Betta has a white spot between its fin and gile what should i do

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      13 months ago from Intercontinental

      @Brie check the swim bladder condition from the article.

    • profile image

      Brie 

      13 months ago

      My Betta fish has been staying at the top of the tank and almost perching himself on top of one of the decorations. His belly overnight seems to have tripled in size and he seems to be breathing harder. What should I do?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      13 months ago from Intercontinental

      He might have been hurt by the other fish, or even bruised by objects in tank during the chase. If this is the case, he will get better with time. But you can use some disinfectants to keep the patches free from microorganisms.

      Some fungal infections appear grey, so don't rule out these types of infections. You can just monitor him closely to see how the patches will develop.

    • profile image

      Rajendraa 

      14 months ago

      My betta is not eating properly for some days. I have kept him in a 240 litres tank with 35 other small fishes.. earlier when i had 20 fishes my betta was doing fine swimming around and eating.. but after adding 10 Red rose tetras which were chasing my betta for a week now, my betta is not so active.. it always hides or rests between plants.. doesnt swim around like it did earlier.. its color has reduced and the fins doesnt flare like it did..

      And also there are some light grey small patches on its skin.. they were not there earlier.. i do weekly water change of 25% as i have more fishes in the tank.. Kindly suggest me what I can do to save my betta..

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      14 months ago from Intercontinental

      @Amethyst It likely that the old water had a high level of dissolved solids which flocculated on the scales.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      14 months ago from Intercontinental

      Most spots are usually fungal and can be treated with medications like Bettafix Remedy (see it in the article). Others are parasitic like ich - see from the article.

      As for the losing color, it could be due to poor water conditions, so you can try changing and conditioning it regularly, and also optimizing its parameters - pH, ammonia, nitrite, dissolved solids, etc.

    • profile image

      Jade 

      14 months ago

      Hello I got my fish a couple of days ago and when I got him he had swim bladder and was on the top now he is better but losing his color and hasn’t some spots please tell me how to fix this and what’s it called thank you

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      15 months ago from Intercontinental

      @SGH He's likely to be overwhelmed by the conditions of the water i.e., high ammonia, pH, nitrite, etc, or suffering from columnaris - see how to deal with the disease from article, and try changing and conditioning the water frequently.

    • profile image

      SGH 

      15 months ago

      I have the most beautiful Betta. When I got him 6 months ago he was sociable, highly active always cane to the glass to meet me and would stay as long as I talked with him. He never hid from me and would flare and blow bubbles all the time. I literally just did a 30% water change in his 5.5 gallon tank. I also cleaned decor and put it back exactly where it was. Now I’m completely freaking out he’s swimming with clamped fins, jerking through the water and I found him up against the filter. And he’s hiding from me. All of these symptoms are completely alien to this guy. I conditioned the water, waited, added the appropriate bacteria and put some H2O drops in the water to reduce stress. This is the same routine I’ve been following with him and he has never behaved this way. Am I losing him? Please, please help.

    • profile image

      jm 

      15 months ago

      my betta had tail rot lived 3 more years full life span is 4.5 years i use bath salt

    • profile image

      harsha 

      15 months ago

      my betta fish was not moving it is floating on the top of water please tell me the solution for it

    • profile image

      Mieko 

      15 months ago

      This is an amazing website thank you so much now my betta fish is healthy!

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      15 months ago from Intercontinental

      @ZettaGirl in addition to the mediation, you may want to change the water regularly, clean the tank and maintain the right water parameters - pH, ammonia, nitrates, etc.

    • ZettaGirl profile image

      ZettaGirl 

      15 months ago

      My betta has had a swollen abdomen for 6 months. She also has one eye protruding and swollen. Additionally there are white colorations at the lower rims of the eyelids.

      I give her 1 drop of colloidal silver daily. She is looking much happier even with these issues.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      15 months ago from Intercontinental

      It's highly likely to be the fin and tail rot disease developing, and so you can try a bacterial medication, change water and clean the tank.

    • profile image

      Darien 

      15 months ago

      My male betta has white tips of his front fins, he should be healthy I feed him pellets and every 2 days I give him dried blood worms.

      Any help on what the whit little tips might be?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      The problem is highly likely to be in the water, and since you have cleaned the tank, you can wait to see if he will get better.

    • profile image

      Morgan 

      16 months ago

      My beta seem to be developing a bump on his side. The scales are slightly whiter (he is a rose gold color) and he isn’t acting funny but it seems to be worse sense I last cleaned his tank. I thought it was just an injury but now I’m not so sure.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      He/she is being affected by the conditions of the water. You need to ensure that parameters like dissolved solids, pH, ammonia and nitrites are optimum.

    • profile image

      Brejhan Williams 

      16 months ago

      Why is my blue Betta fish turning black

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      @Mary You need to do some disinfection and keep the water super clean to avoid infections.

    • profile image

      Mary 

      16 months ago

      My fish has a cut on his head. How do i treat that?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      @kaeleydog. Dirt accumulates faster in small containers, so first do away with them.

    • profile image

      John 

      16 months ago

      Hi i have a betta fish that lives with 2 small fish, his fins are white and, from the article, i can guess it is fungi but i dont know how to treat it and of it will affect the little ones

    • profile image

      Kaeleydog2006 

      16 months ago

      My betta has fin rot he is still in the cup i got him in since i need to get a snail and the tank im putting him in is cloudy but i put a bit of salt in the cup only of small piece since hes in a small container what shound i do? his waters clear not cloudy or anything and its not to bad this is the second betta ie had and i do not want another fish to die almost right after i got it (my houses water cant seem to keep fish) but so yeah....what do i do oh and sorry about the grammar some of my keys dont work correctly

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      There is no problem in introducing another fish, but you need to change and condition your water regularly to avoid color changes.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      It's highly likely that your water wasn't quite clean and well conditioned.

    • profile image

      Vianka 

      16 months ago

      I’ve had my beta for a while and I’m not sure if I should introduce another beta fish since he seems a bit lonely he also has developed a bit of green around his orange fins

    • profile image

      Claire Robertson 

      16 months ago

      He ended up dying a day later. He turned a yellowish color before he died and I don’t know what happened. What happened

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      16 months ago from Intercontinental

      He's highly likely to be stressed by the new environment, so give him time to acclimatize.

    • profile image

      Claire Robertson 

      16 months ago

      I just moved my betta into a bigger tank and now he is not eating, flaring, laying at the bottom of the tank, going to the surface to breathe, fins shrunken, and lethargic. He also seemed to hide near the filter when it was turned on and roll sideways. What do I do?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      17 months ago from Intercontinental

      @kdsankar Not really. It's only that your tank is highly likely to be harboring the dropsy-causing bacteria.

    • profile image

      kdsankar 

      17 months ago

      Is "Dropsy" Infectious?

      Because i have 3 male bettas in same tank, Two betta died as same. And my 3rd betta is also showing the same symptoms.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      17 months ago from Intercontinental

      It is likely that you have overfed her and has developed the swim bladder condition. See how to deal with the condition from the article.

    • profile image

      dick cruz 

      17 months ago

      Hi, i have a red HMPK female, and suddenly she had lost appetite and just stayed at the top of the water level, i don't know what happened to her. she does not even flare when i remove the divider to see her husband to be. i already change her water and added methylene blue (1 drop). i am using a 750 ml jar as their tank.

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      17 months ago from Intercontinental

      @Raiden He/she can't flare forever, so don't stress for that!

    • profile image

      Raiden 

      17 months ago

      My betta starts to flare whenever I turn off the light in my room and turn on the LED light in his tank. What do I do?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      17 months ago from Intercontinental

      @Colton It could also be slime which like fungus can be aggravated by dirt water. So try changing the water regularly and keep it clean.

    • profile image

      Colton V 

      17 months ago

      My Betta has some white cotton-like fluff hanging from his fins. I’m not sure what exactly it is, but my best guess is some kind of fungus. He came with it and we have been fighting it for several months, but we can’t seem to curb it entirely. We have been giving him Jungle Fungus and putting a small amount of aquarium salt in with water changes but the mystery fungus just persists! It doesn’t seem to alter his energy level as he still zooms around with as much energy as ever. Any insight into what might be going on and what we permanently knock this fungus out for good?

    • Jan Saints profile imageAUTHOR

      Januaris Saint Fores 

      18 months ago from Intercontinental

      @Sandra I think you are doing everything right. Most of the symptoms you see are just out of the pain of the injury. Some times fish can go for days without food, so this is not a big issue.

      May be you can change the water regularly to keep harmful bacteria away, and try to disinfect the wound. You can also try keeping him off the sharp/rough objects

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