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Keeping a Goldfish Alive in a Fish Bowl Without an Air Pump

Updated on February 11, 2016
Good aquarium plants are key to creating a healthy environment for goldfish when there isn't an air pump in the bowl.
Good aquarium plants are key to creating a healthy environment for goldfish when there isn't an air pump in the bowl.

Many people think that goldfish and other kinds of fish will not stay alive long in a fishbowl. It is true that most aquariums have an air pump and filter. When the air pump blows air into the aquarium, it circulates the water, preventing it from becoming stagnant. Stagnant water is bad for goldfish simply because it doesn't have enough oxygen. A pump circulates water so it can take oxygen from the air and replace the carbon dioxide and other harmful gasses.

However, if you cannot provide an air pump for your fishbowl, your goldfish can live very well. Also, if you do have an air pump and you worry about extended power outages, you can still make sure your fish survive in the aquarium. There is a plain and simple solution, which I will share with you through my own story.

Your goldfish can live very well without an air pump, but you must keep the bowl or tank clean and include pebbles.
Your goldfish can live very well without an air pump, but you must keep the bowl or tank clean and include pebbles.

My Goldfish Story

I currently live and work in the Middle East. A friend gave me a goldfish in a bowl. At first I was hesitant to accept the fish, because I thought that it would just die after several hours. Since I was a child I have had many goldfish and I always got upset when they died. But I didn't want to turn my friend down, so I accepted the goldfish. He told me to change the water every two days and use stored, not tap, water.

That was five months ago and my goldfish is doing great without an air pump. Here's how I have kept my fish happy.

What You Need to Keep a Goldfish Alive

  1. Pebbles Your fish's waste will go under the pebbles, keeping the bowl looking clean.
  2. Two-liter bottle for water Place tap water in the bottle or container and store at room temperature for four or more hours before using to change the fishbowl's water.
  3. Flakes Feed your fish twice daily, but only a small amount. Approximately five small flakes is plenty.
  4. Adequate-sized fishbowl Fish should not be over-crowded. A rule of thumb: Every fish should have one liter of water.

Every fish should have a liter of water, so if you have more fish, make sure your bowl or tank is big enough.
Every fish should have a liter of water, so if you have more fish, make sure your bowl or tank is big enough.

Frequent Water Changes

  1. All of your fish's waste stays under the pebbles. Remove it waste by slowing moving the pebbles so that all the dirt rises up.
  2. At the same time, drain some water and push the waste out.
  3. Add the stored, room temperature water. Replace the water every two days.

As much as possible, avoid touching your goldfish when you change the water or clean the bowl.

How many days, weeks, or months your goldfish manage to live in a fishbowl without a filter, oxygen, or air pump

See results
Change your fishbowl's water every couple of days  to keep the water clean without an air pump.
Change your fishbowl's water every couple of days to keep the water clean without an air pump.

How Underwater Plants Can Help

Plants provide oxygen to all living things. Adding an aquarium plant to your goldfish's home will provide oxygen that they need. Freshwater aquarium plants also give the bowl a beautiful, natural look and they absorb gases that could be harmful to your fish.

Every Three Months, Clean the Bowl

Transfer your fish to another bowl for a few minutes and give the bowl a good cleaning. Don't forget to wipe off ornaments and silk plants too.

If You Can't Clean the Bowl Regularly

if you aren't able to keep up with the water changes and cleaning yourself, a small pump and filter will keep the bowl clean for longer. They will fit in a small bowl and you won't need to replace the water as often.

Please leave your Comments

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      Peggy Cassidy 47 hours ago

      About 13 years ago, I was visiting a friend. Her and her mother had one gold fish in a bowl. It wasn't a real big bowl. I remember her telling me that the fish was about 8 years old. I was surprised. They most likely took real good care of the fish.

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      Coty 2 days ago

      This is absolutely horrible advice. Glofish get anywhere from 8 inches to a foot long depending on breed. A bowl will stunt their growth. The myth of fish growing to the size of there tank is EXTREMELY detrimental to their health. Stunting prevent growth which is where this myth starts. But as time goes on they can suffer deformation of bones and even ruptured organs. It's a very slow very painful way to die. To the person who wrote this. You are Severely misinformed. To anybody reading. DO NOT FOLLOW THESE INSTRUCTIONS. Goldfish can live for up to a decade with proper care. Some have lives to 40 years. Being kept in a bowl is simply UNACCEPTABLE.

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      Di 9 days ago

      Hi. My family recently got a 1 gallon bowl with rocks etc for cheap so we thought we'd start a collection of a few guppies. In all fairness, I thought it was 2 gallons. And then we planned to upside to a 10gallon. We got a couple feeder goldfish to trial with since we are first timers, but... now we're attached and I'm worried about the fish being so many in one small area. I wasn't worried until today they are spending a lot of time at the surface. It's 4 goldfish and a vety small bottom feeder (he is fine). The goldfish seem to be swimming around up top but I'm not sure if they're still looking for food or need more oxygen. We switched half the water already, hoping to cycle oxygen. Anyways... I'm freaking out so were borrowimy a small air pump and buying an aquarium later today. I will eventually use this bowl again probably for very small guppies in the future, but I can't see keeping these guys in there much longer.

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      Shreya 12 days ago

      My comment is - it is nice way to keep our goldfish fit

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      Bri 2 weeks ago

      I had to rewrite this like 5 times so I'm just gonna sum this up as best I can. GOLDFISH CANNOT SURVIVE IN ANYTHING LESS THEN 30G, PER FISH. they cannot have gravel. They NEED a filter and or air pump. 25% water changes a week. Never use soap on anything in the tank. Don't ever do a full tank change unless fish had a disease such as velvet (looks like a coat of white slime) , dropsy (looks like belly is a pinecone, scales are facing down, etc. goldfish have lots of ammonia, whichever an burn them severely something enough to kill them, so please if you're ever getting a fish (including a betta, they aren't any different and cannot thrive in bowls without a filter or heater, and no in the wild they do not and cannot survive in a puddle) DO YOUR RESEARCH! Thanks

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      Virginia 3 weeks ago

      I have a home made outside pond with gold fish in it Do I need a air pump or can the fish live in the pond without a filter or air pump

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      Flippy 3 weeks ago

      I just got a goldfish and I have no idea what to do. I keep it in one gallon hoping it is enough. Hopefully it won't implode. I love my dear fish. It'll probably only last for a day though. Thanks for your help! I'll keep on trying to help my little flippy and be hopeful!

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      Fish Hemsworth 3 weeks ago

      If a fish does not have a memory longer than a few seconds, how does it suffer? By the time it knows what is going on, it forgets and starts over.

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      notsharingmyname 3 weeks ago

      Don't listen to this article. DON'T BUY A GOLDFISH YOU DON'T WANT ONE. Goldfish are very misunderstood fish. They are very commonly put into bowls and are thought to die in a few months. Goldfish can't live in a bowl under any circumstances, no matter the type or size of your goldfish. Goldfish don't grow to their surroundings, they stop growing as a survival mechanism, but there's a catch, their organs don't stop growing. Basically putting a goldfish in a bowl will make them implode. You might be wondering, how much space does it take to stop them from imploding? The answer you want doesn't exist, they need 30 gallons if they are the fancy variety and 45 gallons for the single tailed variety, and this is per fish. You probably want to blow this comment off, but your selfish and ignorant if you do.

      P.S no fish can live in a bowl, there isn't enough surface area to get air, and an airstone can't help enough to fix it. Also if you don't use a filter they won't get beneficial bacteria, which is very important.

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      Goldy 4 weeks ago

      I have a goldfish in a bowl, feed it twice a day. Since I donot have a filter I change the water once a day.

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      Jumayin 5 weeks ago

      Thanks cause I'm getting one tommorow

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      Goldfish keeper 6 weeks ago

      Fish should never be kept in a bowl. If you put a goldfish in a bowl you are stunting it, meaning it's body isn't growing but it's organs continue to out grow it's body. Stunting a goldfish can lead to many health problems for your fish such as buoyancy problems. Depending on the kind of goldfish you buy you'll need 20 gallons per fish at least. You also need good filtration for your fish ammonia and nitrites sould be completely 0 while nitrates should be between 5 and 10 when you test your water to keep the fish healthy and happy, if you put a fish in a bowl ammonia will build up very quickly causing the fish to stress and eventually die slowly. This article is bragging about having a goldfish live for six months but with proper care your goldfish can live up to 25 years! Goldfish are a huge commitment if you can't care for them properly you shouldn't keep one that goes with any animal. You can find many proper care guides online please do not listen to the ones where they keep them in bowls.

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      fish stuff 6 weeks ago

      when you put a goldfish in a bowl your basicly watching it slowly die as its internal organs get to big for its body.

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      Fish 6 weeks ago

      I don't know who's side I'm on because I just won a fish from the fair and I don't know what to do.

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      Fish 6 weeks ago

      I like fish

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      Sachin munavalli 2 months ago

      Thanks for your suggestions it's very helpful..

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      Allie 2 months ago

      This article is incorrect! FISH SHOULD NEVER LIVE IN BOWLS PERIOD! I have worked for an aquarium for years and went to school for marine bio. I know my stuff and fish should not be kept in bowls. Just because something "survives" doesn't mean it thrives. Goldfish should be living for YEARS not months and need water changes every other week at least.

      If you really cannot have a filter on your tank, a bubbler will still disturb the water enough to keep it oxygenated, but you would need to do more water changes.

      P. S. please never, ever, feed your fish bread. They cannot digest it properly.

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      Hannah 2 months ago

      I'm sorry but one fish per litre is rediculous- at LEAST have 10 and even then is way too small

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      Hi 2 months ago

      Do not keep your goldfish in bowls, while they may survive they will suffer. 20 gallons per goldfish is the minimum. No exceptions.

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      dia15nyc 2 months ago

      This helped a lot! Thank you!!

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      no really it happened 2 months ago

      i had a goldfish that lived for 5 years, i found him in a mud puddle when i was a kid. r.i.p pudg

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      Lizzy 3 months ago

      I really needed to know those things because my 14 fish died now all my fish are healthy and alive "thank gosh"

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      goldfish 3 months ago

      After reading your article, I am impressed and start finding more stuff like this and reached to a result where there are lots of videos of beautiful girls swallowing goldfish. It's amazing!

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      Katie ...... 3 months ago

      I don't have a fish bowl or tank but I have a fish where should I keep it?im keeping it in a wide vase but I'm feeding it bread crumbs. Is this good for the fish?

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      Kei 3 months ago

      DONT KEEP GOLDFISH IN SMALL TANKS. Gold fish are messy fish which create a lot of ammonia ( their poop has this).

      Ammonia will burn thier gills and they will die.

      Goldfish need 10 gallons at least per fish NOT a liter.

      GOLDFISH REQUIRE AN OXYGEN PUMP AND A FILTER. If you cannot provide this don't get a fish as it is torture for them.

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      Ashleigh dyer 4 months ago

      My grandma is getting me some goldfish for my birthday and I was wondering if five can live a long time without a air pump

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      Jane 4 months ago

      When I was a young girl I had two fish in a bowl. Every evening I got a pail of pond water from a pond on our farm and kept it in the house over night. Good old Dad would cut a hole in the ice in winter, most winter days I took 2 days of water in at a time.

      In the morning before school I moved the fish from the bowl to the pail, dumped and washed the bowl. Then put the fish back in the bowl. One fish lived over two years.

      If we went away on holidays my Grandmother would take care of my fish for me. Looking back I realize I was fortunate the adults in my life helped me look after the fish

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      Nandini 4 months ago

      Thanks it is too helpful for me...

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      Gray 4 months ago

      Is it okay to just have a styrofoam for a goldfish, it is huge anyway

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      your boi 5 months ago

      I have a gold fish and it is a very big thing and his name if jeffery

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      Verbena 5 months ago

      I have goldfish in a bowl without a pump and they are healthy and going on five years...so I don't know where this info comes from.

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      Molly 5 months ago

      This article is very poorly researched and is contributing to the spread of very dangerous misinformation. Hardly anything here is correct in terms of fish care. I wont go into specifics, as they've already been listed well here in the comments, but please, if you have a goldfish do not follow this advice.

      Goldfish are very BIG, high maintenance fish and they cannot live in these conditions very well or for very long. The lifespan of a properly taken care of goldfish is 20+ years. In this kind of setup, it's impressive if they live even one.

      Goldfish simply cannot live in a bowl. An adult common goldfish will easily grow longer than a foot. To keep a goldfish in a bowl is to neglect and abuse a lovely, intelligent animal and give it a painful life leading up to a premature death.

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      Alison 5 months ago

      This article is absolutely sickening. The information is completely incorrect. I set up an account here JUST to leave a comment on this awful article. Goldfish should live 15+ healthy, happy years, not "a few months". Please take this horrible article off this site.

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      Concerned Compashionate Person 5 months ago

      Don't do the stuff suggest by this article, it is horrible and abusive advice.

      Let's start with the just plain wrong things.

      (1)Not having an air pump: Goldfish use their gills to get oxygen out of the water, they cannot breathe air. If you do not have a pump or *extremely heavily planted tank* your goldfish will be suffocating. If you see them gasping at the surface, that means you are killing them because of lack of oxygen in their water. They can feel pain, and they will be suffering.

      (2) Keeping a goldfish in a bowl: goldfish cannot adjust to the size of their tank, it is just a myth. Do people who grown up in apartments stay as midgets their entire lives? No. Goldfish don't do this either. They cannot control how big they get and need an absolute minimum of 15 gallons of water per goldfish to live comfortably.

      (3) Only changing the water every few weeks: this is wrong as well. If you want to keep a fish humanely, you need you learn about the Nitrogen Cycle in aquariums. The fish poop out ammonia which good bacteria will convert to nitrates and then nitrites. This cycle doesn't start automatically, you have to actually work to get this to start in your tank and check the chemical levels everyday. If you have any ammonia in the tank, it will burn the fish's gills and eventually kill them. This hurts them a lot and they will suffer. Anytime the ammonia or nitrites are above 0 parts per million (ppm) you need to change 25% of the tank water. If your cycle has not properly started, this means you have to change the water every single day or the fish will be in a lot of pain and get organ damage.

      If you are thinking to yourself that this sounds like a lot of work, it is. But if you don't want to take proper care of your pet, then you should not own one. So many of these comments are terrible, people are telling you about how they abuse their pet every day. Don't listen to them, literally just go Google the Nitrogen Cycle or how goldfish get air and you will see that this article is shit and should not be trusted.

      Camille, if you don't know what you're talking about, please don't write about it. You are telling people to abuse animals. I'm mechanical engineer just like you and can tell you that this kind of stuff is out of our field of training. Please talk to a marine biologist or do some research and revise this article or delete it.

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      Sharkb8 5 months ago

      I don't even know where to start. This article is wrong on so many levels. What next, two male bettas together?

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      CrookedFingers 6 months ago

      This article is wrong on so many levels. Goldfish can live up to decades, not effin' months, and they get to about 30 cm long! And no they do not adapt to smaller living conditions, they just suffer until they die. Please look up pictures of stunted goldfish if you enjoy animal cruelty, you'll really get a kick out of them. There's nothing subjective about this, if you keep your fish in subpar conditions they will live a short, stunted life. Sure, every fish is different, I mean, some people survive small pox too! How would you like it if I gave it to you? You may very well survive. And please do not compare goldfish to betta, for frick's sake. Bettas do not get foot long! I don't understand why people insist on putting goldfish in bowls when you can get used aquariums for so cheap, or fish way better suited for small tanks. Also, waste doesn't magically disappear under pebbles, and you shouldn't completely rinse the whole tank, ever. Please look up the nitrogen cycle. I'm all for low maintenance tanks, I have three zero-tech, zero-water change aquariums, but with endlers, a betta and shrimp in them, not flippin' goldfish.

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      Christitian 6 months ago

      This article is very good! My gold fish is living well right now but i don't follow the rule "Every Three Months, Clean the Bowl" but instead i always clean my fish bowl every 2 - 4 days.

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      Ally 7 months ago

      This article says nothing wrong in it people in the comments saying that the goldfish will grow to big and break there spine this is wrong goldfish adapted to there size of bowl if this wasn't the case i am pretty sure that you would have to have a license to own one like other fish that NEED the correct size bowl. I have a betta fish and it has been living in a bowl with no filter and it is perfectly healthy when i brought it it was in a bowl at the shop and they said it was 6 months old so my betta fish is 1 year old and it is fine.Betta fish and gold fish are similar but if you are looking for a simple fish to look after choose a gold fish or betta.

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      Adam 7 months ago

      The world's oldest goldfish fish lived 43 years in a bowl so it can't be that bad

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      Bullfinchie 7 months ago

      (Molly) has the bestest ADVICE...EVERYONE ..READ her post.(8 weeks ago) Quality of life is what EVERY one NEEDS.....GOLDFISH TOO!

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      sourav patel 7 months ago

      can i keep 6 tennis gold fish in a 10 inch bowl

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      Divya 8 months ago

      Thank u for ur advice

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      Joey 8 months ago

      This article is subjective. All goldfish are different and can tolerate different conditions - much like humans. Therefore, some goldfish may be able to live in a bowl with any pump or oxygen, and others may not be able to sustain such conditions. I had a goldfish live for eight years in a regular bowl without any air pump and throughout it's life it was active and healthy. After it died, I replaced the water and bought a new goldfish. I kept the new one at the same conditions I kept the old one - it died after a week. You never can predict the lifespan of a goldfish or how to care for it; it's not one size fits all. Don't overthink things: feed it, clean the bowl every few days, keep it in water (obviously), and hope for the best.

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      J.E. 9 months ago

      Even when kept in good conditions, gold fish will only grow to a proportional size of their tank. Unlike other aquarium fish, goldfish excrete hormones such as aminobutyric acid (GABA) and somatostain, that acts as signal of how many other fish and what sized body of water they are in. They do not die from their spines bending and they do not outgrow their environment - they are not as fragile as some here believe and live quite happily in a well-kept bowl. Equating their feelings and thoughts to anything remotely human is ridiculous.

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      Fishy 9 months ago

      I had a common gold fish as a kid and it lived for 13 years in a regular fish bowl. No filter. We cleaned the bowl once a week and fed it once a day. Super easy!

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      Molly 9 months ago

      This article is full of dangerous misinformation about goldfish. A goldfish can never live in a bowl under any circumstances.

      First off, goldfish get big. Common goldfish grow to over a foot long as adults. They need a HUGE tank or preferably a pond.

      Second, fish waste going under the pebbles is not a good thing. It doesn't disappear, it stays there and ruins the water quality over time. Also, goldfish are prone to swallowing and choking of gravel. Goldfish are best kept in an aquarium with sand.

      Third, fish flakes are not a quality food for goldfish. The gulping at the surface has been linked to causing swim bladder disorder which is often fatal.

      Fourth, you can't just let the water sit for 4 hours. For the chloramines in tap water to leave, the water needs to sit for closer to 24-48 hours before it's safe.

      Fifth, keeping a goldfish alive for a couple months is not something worth bragging about. Goldfish live a very long time if actually given semi-decent care. The lifespan of a goldfish averages at around 20 years. The oldest recorded goldfish was 43 at the time of death. A couple months is like bragging that your kitten lived a year or two.

      Overall, please do not take anything in this article as good advice in terms of goldfish keeping. A goldfish in a bowl will never live anywhere close to it's full lifespan, and much of that life will be spent suffering. If you can't handle getting a very tank tank or a pond, then you can't handle getting a goldfish. Please settle for a different pet and spare the fish.

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      Nishita Biswas 9 months ago

      Thanks for the information. It will help me to take proper care of my goldfish.

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      Taylor 10 months ago

      helpful for going to get goldfish to sale!!!!!!!!!!!!!!!!!!!!

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      Eddie 10 months ago

      I have a goldfish that has lived for seven years only on oxygen weed ,fed every two days and whole tank is fully washed every two weeks .. The tank is 15litres with pebbles and oxygen plants are replaced every 1.5 months..he seems happy looks heathy and swims around like the flash...for that kat that is such an expert maybe he was a goldfish in a previous life..get off the grass mate..

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      Bigfigelow 11 months ago

      Well, after browsing around here I feel like I must add my story... Adopted my Mom's Comet fish Nana, when Nana was 3ish. She lived happily in a small 2ish gallon, decorative bowl with silk plant and 1/2 - 3/4" round stones... No filter, no air pump, just water changes. She continued to live happily 5 more years with us on our kitchen island, with one upsize to a bigger 3ish+ gallon bowl, silk plant and more 1/2-3/4" stones. Her demise happened 4 days after my girlfriend (who rarely preps any food), hammered 4lbs. of chicken (on a Monday night) with a heavy saucepan on the island Nana lived on, (I was so mad at her for stressing Nana out like that, "Are you trying to kill Nana fish?!...WTH!? Lisa!!" Sure enough Nana went downhill pretty fast after the hammering incident. The night she was obviously dying and did die, I noticed about 3-4 days worth of fish food on the bottom (never, ever, have seen uneaten flakes like that before). I'm no expert or fish whisperer, but Nana was her active, happy self on Sunday and dead on Friday... After what I believe we're 8 active, happy years... She maybe grew an inch in the 5 years we had her (to about 3ish inches - tip of nose to tip of tail)... I never did any research on goldfish (until now, cause she is gone). I just did what I thought was right to keep her alive, well and what I believe as happy... Coincident with hammering incident, maybe... I do believe that played a part in her passing... I am sad :( RIP Nana Fish...

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      sunneej 11 months ago

      Goldfishes don't belong in bowl? Please, if you cared so much about the fishes, you'd just leave them alone in natural habitats rather than keeping them in a fake tank where they are kept solely for your poor sense of entertainment. The mindset just astonishes me; 'what I do is okay (i.e. keeping the fishes in the tank out of the natural habitat), but when others do something different (keeping the fishes in a bowl), it is wrong'.

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      Raven 12 months ago

      Horrible advice. Goldfish don't belong in bowls. PERIOD. If you can't afford or have the space for the large tank they require, DONT GET THEM!

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      Rebecca h 12 months ago

      Just wanted to throw Something in here.I won 3 gold fish at the fair for my granddaughter who is 2.the first 6 months I didn't have a pump or filter bit I kept the water clean and fed then regularly and even though some thought I wad weird I would always talk to them.well it's been almost a year and happy to say they are still swimming..I did get then a pump and filter and it had improved the quality of the tank..and in response to fish remember I honestly believe that because when they see met it's like when my dog sees me after working all day..they get really excited..If I could post a video I would...thanks for reading....Rebecca h

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      12 months ago

      It makes me incredibly sad that you're encouraging this and spreading further misconceptions about goldfish. Under the proper conditions, a common goldfish's average life span is 30 years.

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      Emma 12 months ago

      Thanks for the advice I just won 2 fishes at a carnival and I'm going to be sure to follow these steps!!!!Thanks!!!!!

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      Anonymous 12 months ago

      Each goldfish only needs 1 litre?!

      Shall we shut you in a cupboard for your whole life and see how happy you are??

      You've also mentioned nothing about tap safe to get the chlorine out of the water and the fact that goldfish can live for over 20 years if looked after properly although they never live this long because they grow too big for their UNFILTERED BOWL, bend their spine and die.

      Cruel idiots.

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      Oops 13 months ago

      I'm very sad to see this type of information being encouraged. I hope any readers can give what I have to say a chance - I've had great luck with my fish and have helped many others succeed similarly.

      First and foremost, I feel it should be established that fish are not disposable. They are not decoration, they are not senseless little toys. Though I understand there is a stigma around them, I hope I can encourage fish/animal keepers to give these little guys a chance. Fish of all kinds feel pain. Goldfish have been used in studies to show that no, they don't have a 3-second memory span, and have been shown to successfully navigate mazes for a bloodworm reward. They also remember this maze when introduced to it a week+ later. I can additionally personally attest to the fact that they recognize distinctions among people who they see frequently(I believe there's some recent research done there as well); they are simply more than what most people know to give them credit for, and I'm not quick to blame them. There is mostly ignorance on the subject, not ill will, so I hope to disperse that. Are they as smart as your cat or dog? Objectively, no. Regardless of this, they are wonderful little creatures who feel, and fear, and want to thrive instead of simply survive. I personally feel that we should want to provide the best environment for them, not the one best for us. We force them into our lives, after all.

      I want to touch on a fact that the writer made sure to mention, their goldfish living for 5 months. That is impressive in regard to how quickly these abused animals normally pass, but considering that properly maintained fish may live for 30+ years (the oldest is 43, I want to say), this is not something I find worth being praised for. I've heard at my workplace of goldfish that live for a year, and the folks are always impressed with themselves. I am always displeased to say that their fish is simply surviving - it is likely suffering stunting, swimming in stressful levels of ammonia, malnourished, and its clock ticking down. Just because it lives, doesn't mean it's living well. We as people can survive just as well in a closet. Give us food and water and we will live, but we don't prefer that, do we? Is it okay that we allow this suffering on a little life that had no say in the matter?

      Let's have a little aquarium lingo lesson, here. There is something highly important in fish keeping called the 'nitrogen cycle'. I'll go ahead and explain it in the most simple of ways, and then turn to how it is important. Fish food, poo, and their act of breathing produces what's called ammonia. Ammonia is highly toxic, and is the #1 fish killer. Bacteria in the water naturally establish, and turn this ammonia into nitrite (with an 'i'. I remember it like the roman numeral for one ('I'). ). Nitrite is also deadly to fish. Finally, different good bacteria convert this Nitrite into NitrAte, with an A. This last stage is nowhere near as toxic as the previous two.

      Basically, your deadly stuff in the water gets turned into less harmful stuff as good bacteria set up in your tank. This means less cleaning, less fish stress, and happier environment. If you have live plants, they eat the stuff up. The overall process from ammonia to nitriate to nitrate is also much more swift, as the good bacteria are ready for action in the tank.

      Why does this matter? In a bowl, or in too small of a tank that you are too frequently cleaning too much of, there is no room for this cycle to establish. Anything that needs too frequent or too deep of a clean kills your good bacteria and restarts your natural cycle. Not only inconvenient for you, but stressful on your fish, as they once again have to endure an excess of ammonia and nitrites before getting to the safer nitrates. The whole process of unsafe to safe can take weeks, or many months. If you're cleaning your whole tank, or taking more water out of the tank than not, or removing filter media before its time is up, you're likely killing your cycle. Stress, dirty water, sadness. So while you could theoretically do your best to keep up with the fish waste by doing very frequent, very large water changes, you would just be siding with a lesser evil.

      It is true though that goldfish don't need an air pump. Oxygen entering the water is done by any disturbance at the surface, so a filter will do just fine. And yes, your fish need a filter. And yes, you have to do tank maintenance on top of the filter running. The filter can get out the big chunks of stuff that you can see, but it can't change the makeup of the water (it doesn't take out ammonia or nitrites, the deadly ones).

      As a side note, goldfish who survive for some time in stressful waters are likely only acclimated to the ammonia, which is not necessarily a good thing. It is still wearing down on their health, and too high of a level of ammonia will absolutely still kill them.

      Admittedly, I'm not sure what the point of the pebbles hiding the fish waste is. It's not like that would stop the waste from dissolving into ammonia - if anything, I suppose it would just hide it so it 'looked better'. I don't find that to be an extremely necessary or valid point.

      While plants do help by taking out some of the bad and replacing with oxygen, they are no substitute for proper filtration and water changes.

      I'd also like to mention a few things about the variety of goldfish. In the images shown, there are a few types of goldfish that I can spy - there's orandas, a ryukin, and a fantail. Those are all 'fancy' goldfish, aka, the silly shaped ones. These guys can get 8 - 10 inches in size - that's almost a footlong of fish, if you can believe it. They're enormous, they're bulky, and they're beautiful. It sounds a little ridiculous to put store bought little fish in a 29 gallon tank, but they will fill it before you know it; in the right conditions, some of them can reach their full length within a year. What we see in fish in inadequate space is known as 'stunting', and as it sounds, it is a painful and deadly issue that stunts their growth. They are restricted in space and do not follow natural growth patterns, and that means they may suffer spinal deformities, organ issues or failure, etc. There is really no need to not allow them the room they need, and more on top of that preferably.

      Comets and other sleek bodied goldfish (koi, shebunkin) grow even larger and are even needier. They are really meant to be pond fish. They enjoy cooler temperatures than fancies, will readily eat algae and plant life, are swift and need lots of room to swim and maneuver, and are just as messy (if not moreso) than fancies. They're often bought as beginner fish because they're cheap and small (due to being sold as feeder fish), but they will quickly grow to be extremely expensive and needy if a pet owner tries to keep them indoors and alive, simultaneously.

      All in all, I hope this has not come across as offensive or hurtful toward any goldfish keepers or the author. My goal is only to inform and have pet owners and their critters enjoy a wonderful, healthy life together. These are not easy fish, they are not beginner fish. There are more humane ways to teach your children about responsibility without causing something to suffer.

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      Vishal 13 months ago

      Thanks ... this was very helpful . All the other articles were telling me that if I keep a goldfish in a bowl , it will die. Now atleast i can sleep , knowing that my goldfish is safe in its bowl . thank you Pethelpfull and thank you Camile , i assure you i cant thank you more . And the other people who think that goldfish cant live in bowls , Well .... they can just buzzz of .......

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      Wildlife defenders 13 months ago

      No sorry your feeding wrong information just like them on thecwin a prize store.u neef to givevfish room to swim.goldfish are messy and obe litter of wsrter do u want me to make u live down the toilet 24/7

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      em 14 months ago

      thanks, this is super helpful I was worried that if I didn't have a filter my fish would die but I guess not! :)

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      Austin 14 months ago

      This is ridiculous. Go to a local fish store and ask about what the nitrogen cycle is. Would you keep your puppy in a shoebox? Its pure cruelty. Would you keep your child in the corner of a closet and clean his poo once every 3 months? Imagine how that feels. Now thats your goldfish.

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      Mertin 15 months ago

      1. They r fish.

      2. Everyone complaining about article can write their own, this is Murica!

      3. Goldfish being put in an outdoor pond or lake is a bad practice, don't spread invasive species, also annoying when u catch one, lol.

      4. I'm just going to assume that gold fish don't naturally live 20 years since they r very low on the food chain.

      5. I hate it when any type of carp, even the smaller goldfish end up in places they do not belong because a few times I have caught almost foot long ones in different lakes.

      6. Because of this I would guess other fish don't eat em in lakes. Carp can ruin ecosystems btw.

      7. Goldfish mainly should be for kids to teach them responsibility, so what the author says is fine, don't criticize him.

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      Laila 15 months ago

      Is it true that we should not put aquatic plants on shubunkins fish cause they will destroy it?

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      FluffyFox 15 months ago

      Had someone just leave a goldfish on my car in a wal-mart bag...out of nowhere...kind of sad and mean if you ask me...

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      Sam 15 months ago

      Wow. Promoting abuse because a bigger tank is inconvenient to you. Thank PetHelpful. Now I know where I stand with you.

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      Me 16 months ago

      Goldfish are one of those animals that are constantly growing when they are healthy and fed enough.

      Constantly growing.

      Growing.

      What about bowls?

      Well, fish grow to the size of their bowl!!!

      Wait, that doesn't add up...

      If a goldfish is always growing then why would it stop in a bowl?

      When goldfish feel that their habitat is not suitable they make a chemical that stops their growth. In the wild this is done in the dry season to make sure the fish won't run out of food before the rains come back.

      But it's also a double-edged sword: It's not good for them. It'll cause other health issues and kill the fish if the fish is exposed long term.

      Sure, goldfish can live in a bowl.

      But should they?

      These are fish that live in huge lakes and ponds (at least their ancestors do).

      These are fish that have the abliltiy to live for 20 years or more.

      These are fish who's genetic make up make it possible for them to be abused.

      And, being humans, what do we do? We abuse them.

      Ammonia exposure is abuse.

      Keeping a fish in conditions where it can't grow is abuse.

      Fish should THRIVE not just SURVIVE.

      Take a look at all of the people who have the most colorful and the healthiest goldfish. Those that have their fish live for 20 years. Do they have a filter? I'd hope so!

      Yes, goldfish can live without a filter.

      Yes, ammonia is NOT going to be taken out of the tank without a filter.

      Yes, ammonia is highly toxic.

      Just get a filter. Seriously. It's not hard.

      And get a real tank.

      If you want a small fish tank (2.5 gallons or more!) get a betta.

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      RevaJade 16 months ago

      This is really good information! Thank you! I used to have lots of goldfish, they all died unfortunately. But I am getting back into having fish. I have a betta and a plecostomus fish right now. I am going to get some guppies and goldfish, not putting them in the sam etnak of course. Thank you so much for this wonderful information!

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      renraw 17 months ago

      their carp.. that means they can" air breath" they don't need a pump.

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      Sriket 18 months ago

      I have a fishbowl with a goldfish and a pair of Angelfish. The problem is that whenever I feed them, the goldfish ends up eating all the food leaving behind nothing for the angels. Moving the goldfish into another container for feeding poses a risk of frequent water change and might have adverse impact.

      Please let me know as to how should I deal with this?

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      medusachic 18 months ago

      The author should be ashamed for adovocating such poor and abusive fish keeping practices. If you managed to keep your fish alive for 20-30 YEARS in those conditions and it got to it's full size - which is 10-12"+ THEN you would be entitled to write and article about it.

      Goldfish can live for years in poor conditions, just the same way that you could keep a kid alive in a closet for years and the kid wouldn't die, but the kid sure wouldn't thrive, and his growth would probably be abnormal and stunted and the kid would probably die at a young age if he was never allowed out of the closet - just like a goldfish kept in a bowl.

      Goldfish are incredibly hardy, which is why they can withstand such poor conditions, but you should be ashamed for advocating them. If you had taken any time to research your pet when you first got it, you would have given it a proper set up or tried to find a new home for it that could accommodate it's adult size.

      Shame on you.

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      anonomus 18 months ago

      i just need to know from an expert!!

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      Miss Cellany 22 months ago

      Goldfish can live for many years if properly cared for, a bowl is not large enough. My goldfish lived 10 years in a 27 gallon tank but may have lived longer in a pond. 1 liter won't be enough - goldfish can grow to 10 inches long or even larger than that.

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      Mariah 24 months ago

      Thanks guys I was so worried but not anymore

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      Faisal 2 years ago

      Thanks a lot bud.. i'm going to buy a pair of goldfish now..

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      Kathryn 2 years ago

      Fish should not be kept in bowls.

      However, if you must put your fish in a bowl, and it's a tropical fish, there are small circular heaters that you place underneath the gravel to keep the bowl warm. You need to change the water EVERY DAY or at least every 2 days. You CAN actually use tap water, just condition it with tap water conditioner.

      Even if the water looks clean, ammonia builds up that is in invisible and toxic to the fish. Even if they do not die instantly, it will poison them over time. Ammonia is invisible waste from the fish itself and the fish's food. You also need to fish out water food the fish does not eat within a few minutes to help prevent this ammonia build up.

      Comets (the smaller goldfish) SHOULD NOT be kept in bowls. They need a minimum of 20ish cycled gallons (you can get away with ten if it's well filtered and has a lot of surface area and you do water changes often and on schedule). They need lots of room to swim and zip around. If you do not know what cycling a tank is, you need to do this in order to take easier and better care of your fish.

      You may wonder about bettas (another common bowl fish). Bettas will have a much better, happier, easier life in a tank. You can keep your betta in a tiny tank if you like (2.5 is the lowest recommended but you can do 1.5 if you change the water often and have some plants for them to hide in and a heater). Bettas can get stressed and unhappy in open spaces. So they need to have plants (silk plants, plastic are too harsh for their thin little fins) and maybe some décor/hides that they can hide and play in!

      If you must keep a betta in a bowl: change the water every day, have some silk plants/décor to help them hide and play. Feed them two or three pellets twice a day and fish out any pellets that they do no eat. These fish do need a heater.

      An easy way to tell if plants/décor are too sharp for bettas is to feel them. Are they rough enough that they would cause a run in pantyhose? If so, they are too rough!

      Both of these fish that are commonly put in bowls need conditioned water, an appropriate filter (overhang filters are too strong for bettas and they need a sponge filter, goldfish need a strong filter and you need to use a filter strong enough for the number of gallons your tank has). Both of these fish also need tank tops, to prevent them from hopping out and landing on your counter or floor!

      Always condition the tap water you use! Conditioning tap water is much cheaper in the long run. Just get a concentrated bottle of tap water conditioner, measure out how much you should use for the number of gallons you have, and mix it into the water. Let it filter/settle and float your fish in your tank to allow it to adjust to the water temperature. DO NOT USE FISH NETS FOR BETTAS! Their fins are too delicate. Release your fish into the changed water after you float it.

      I suggest learning about fish husbandry before taking on any fish, and looking into the specifics

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      Brian 2 years ago

      To all the people bragging that their fish lived for 3 years, goldfish kept in a properly sized and filtered aquarium can live for an average of 20 years.

      To put that in human terms, it's like considering yourself a good parent because your kids lived to be 10 years old.

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      raven 2 years ago

      Goldfish don't belong in bowls lol. Ever.

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      wrong 3 years ago

      This is all wrong. You should not be allowed to keep fish...

    • Snakesmum profile image

      Jean DAndrea 3 years ago from Victoria, Australia

      We had a goldfish for months, and it only had a bowl. Now my fish live in an outside pond with plants and rocks.

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      Author

      Camile 4 years ago from Doha Qatar

      @anonymous: Wow! I can feel your excitement for having those goldfish babies. Every 3 days should not be a problem until they grow larger and produce more waste. Just use stored water and they will be fine.

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      anonymous 4 years ago

      EDIT

      oh ! sorry i think i forgot to mention... all this (gold fish babies and only water ) in the large size FISH BOWL not in fish tank..

      so please read these and my previous post as combined.

      thankyou..

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      anonymous 4 years ago

      i want to know that, can i keep 6-10 gold fish/or any other fish babies(newborn) in bowl without pump or filter, not even plants and pebbles or any substrate in it.. only fish and water. and i have enough time to change water in every third day.

      please suggest

      thank you :)

    • nicolekato profile image

      nicolekato 4 years ago

      Every time I get a goldfish, it dies when it doesn't have a pump. These suggestions might prove helpful. Thanks for sharing.

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      anonymous 4 years ago

      They can't go in a bowl no matter what. Unless its like 200 gallons

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      BarbsSpot 4 years ago

      @Lensmaster...Interesting new information on our little floating buddies. Congrats on your Lens' Purple Star award!

    • profile image

      dellgirl 4 years ago

      Very interesting and helpful to know this. Thanks for sharing it. Congratulations on getting the Purple Star for this great lens! I enjoyed visiting here, nice work. Thanks for sharing.

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      WordChipper 4 years ago

      How many goldfish lives would have been saved if only folks had read your lens... very interesting.

    • MissKeenReviewer profile image

      MissKeenReviewer 4 years ago

      Grat blens. Very informative and helpful. Love all animals swimming or not. Kudos!

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      anonymous 4 years ago

      I like to see all fish swimming freely in the wild where they belong. Bowls are for sweets :O)

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      anitabreeze 4 years ago

      We have kept fish in bowls before as well, and you can also get drops for your water in case you have to take it straight from the tap.

    • English-lion profile image

      English-lion 4 years ago

      My daught has been asking for a fish. I'm glad I read this first before buying her one

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      anonymous 4 years ago

      My son once found three gold fish in the street after a hurricane. He kept them for a number of year after, they were little when he found them, but they got huge. Very informative lens, thanks.

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      crstnblue 4 years ago

      Very nice and informative lens!

      The little (golden fishes) ones sure they'll be happy knowing that someone cares about them! : )

      Blessed!

    • askformore lm profile image

      askformore lm 4 years ago

      Thank you for all the information. Most needed!

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      Robinsusan 4 years ago

      Very informative,I think I know why my goldfish died!

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      anonymous 5 years ago

      Very good written information.

    • Melissa Miotke profile image

      Melissa Miotke 5 years ago from Arizona

      I had no idea goldfish only need 5 flakes of food. Mine probably died from being overfed. Great lens!-Blessed

    • spids1 profile image

      spids1 5 years ago

      Great lens very well written.

    • Wedding Mom profile image

      Wedding Mom 5 years ago

      Thank you for sharing! I find it very useful and interesting. Great lens! I learned a lot. I thought pet fishes should always have an air pump.

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      anonymous 5 years ago

      This lens is pretty cool and I'm happy to look at my