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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow
Categories
Pets and Animals
Fish
Fish Breeds
Betta
How to Feed a Betta Fish Download Article Co-authored by Craig Morton
Last Updated: March 31, 2025 Fact Checked
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Feeding the Right Amount
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Picking Out the Right Food
|
Avoiding Improper Feeding
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Expert Q&A
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Warnings
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This article was co-authored by Craig Morton. Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. There are 8 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 586,318 times.
Betta fish are an excellent option for a home or office aquarium. They’re easy to take care of, they’re more active than most pet fish species, and they’re beautiful.[1]XResearch source Betta fish are carnivorous so they must be fed meat-based foods and shouldn’t be fed the dry, vegetable-based pellets that are fed to most tropical fish. By understanding the betta fish’s diet and learning how to feed it properly, you can keep your fish alive for a long time.
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Part 1 Part 1 of 3:
Feeding the Right Amount
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1 Get an amount the size of its eyeball. A betta’s stomach is roughly the size of its eyeball and should not be fed a meal larger than that at once.[2]X Expert Source Craig MortonAquarium Specialist, CEO of Aquarium Doctor Inc.Expert Interview This translates to about three pellets or brine shrimp per feeding. If you feed gel food, it should be about the same amount. A betta can be fed this amount once or twice a day.[3]XResearch source
It's advisable to soak dried foods (such as pellets) before feeding, because some of these items may expand in the betta's stomach when dry.
2 Reduce if they aren’t eating it all. If your fish isn’t eating all of its food, reduce the amount you’re feeding them. If you usually feed four pellets per fish, try reducing to three for a while. If you notice the fish is eating very quickly, you can increase back to 4. Advertisement
3 Scoop out uneaten food. Uneaten food can attract bacteria that is bad for water chemistry and the fish. This is especially problematic if the fish eats the food after it has gone bad.
Use a small net that you would use to scoop out excrement or transfer the fish to another container.
4 Feed it regularly. A betta should be fed every day or nearly every day. Two feedings evenly spaced out should do it. If you keep a betta in the office and you can’t feed it on the weekends, it will be just fine as long as you feed him the other five days per week. Remember to leave one day of fasting for your betta fish. It will suit its needs.[4]XResearch source
It takes a betta about two weeks to starve to death, so if your fish doesn’t eat for a few days due to illness or adjusting to a new home, don’t panic. But you obviously should not test the limits of how long a betta can go without food!
5 Add some variety. In the wild, betta fish prey on a variety of smaller animals. Feeding your betta the same type over a long period can harm their immune system and cause them to eat less.[5]XResearch source
You can change up the type of food as often as you’d like. Try to feed the betta at least one type of food that is different from what you normally feed it at least once a week.
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Picking Out the Right Food
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1 Feed it worms. Various species of small aquatic worms make up the core diet of betta fish in the wild. The most common worm for betta fish is the bloodworm, which comes live, freeze-dried, frozen, or in a gel, but these aren't very nutritious and are better used as treats. Brine shrimp is a good option or glassworms (tubifex worms), but specially made betta pellets and gels are best.[6]XResearch source
Live tubifex often carry parasites or bacteria, so they should be avoided.
The best live worms to use are white worms, grindal worms, and black worms.
These worms are available at most major pet stores.
2 Feed it insects. You can use either live or frozen insects. The best options are Daphnia, also known as a water flea, and fruit flies.[7]XResearch source
These insects will be available at most pet stores. Flightless fruit flies are often sold live in jars for reptile use but are also useful for feeding fish. To serve the flies, shake some into a plastic bag and place in the freezer for a few minutes. This will slow down the insects. Then, quickly pour the flies into the tank. Scoop out any that are not eaten.
3 Feed it other options. There are various frozen meats that betta fish can also eat. You can use brine shrimp, mysis shrimp, or frozen beef heart. These options will be available at most major pet stores.[8]XResearch source
Beef heart and rich meats can dirty the tank with oils and proteins, so this should be a rarer treat.
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Avoiding Improper Feeding
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1 Avoid overuse of dry food. This includes flakes or freeze-dried foods. Some fish foods will be marketed as being for bettas but could still cause digestion problems because of indigestible fillers and a lack of moisture.
These pellet foods absorb water and expand in the fish’s stomach to 2 or 3 times their original size. Some bettas will have bad reactions, potentially developing problems with constipation or bladder disorders.
2 Soak dried pellets. If dried foods are the only thing available, soak them in a glass of water for a few minutes before feeding them to your betta. This will expand the pellet to its full size before the betta digests it.[9]XResearch source
Do not overfeed your betta and cut its portion if you notice abdominal bloating. You may want to switch to live foods if your betta is consistently bloated.
3 Don’t always follow the directions on food labels. Fish pellets or flake containers often say “Feed what your fish will eat in 5 minutes or until it stops eating.” This does not apply to betta fish. In the wild, their instinct is to eat as much as possible because they don’t know when their next meal is coming.
Overfeeding can also lead harm the water quality and cause obesity.[10]XResearch source
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Expert Q&A
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Question What do I feed a betta? Craig Morton Fish & Aquarium Specialist Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. Craig Morton Fish & Aquarium Specialist Expert Answer You should pick food made for betta fish. Some good options include: Hikari Betta Bio-Gold, Tetra BettaMin, Aqueon Betta Food, API Beta Food, TopFin Betta Bits, and Wardley Betta Food. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 8 Helpful 29
Question Will my betta be able to find its food? Craig Morton Fish & Aquarium Specialist Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. Craig Morton Fish & Aquarium Specialist Expert Answer Yes. Although feeding your betta in the same part of the tank each day will help him bond with you. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 1 Helpful 14
Question How do you know a betta fish is happy? Craig Morton Fish & Aquarium Specialist Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. Craig Morton Fish & Aquarium Specialist Expert Answer A healthy and happy betta will have clear eyes and have an active appetite. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 7 Helpful 20
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Reader Videos
Tips
Remember Bettas need variety sometimes, so a good healthy mix of food is great. Frozen foods don’t need to be fed if there is not much available but it’s a good treat once in a while. Thanks Helpful 17 Not Helpful 0
Keep interacting with your beta fish so that it won't get bored and stays attached with you. Thanks Helpful 25 Not Helpful 4
Skip a day feeding your betta every few weeks. Thanks Helpful 24 Not Helpful 6
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Tips from our Readers
The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
When you feed a betta fish, don't move around or make startling movements. These could make a betta a bit nervous, especially when they are new to their home.
Bigger tanks are better for your Betta fish since they'll have more room to swim and eat.
Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement
Warnings
It's advisable not to feed your betta insects found in the wild. They may carry diseases. Thanks Helpful 59 Not Helpful 11
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References
↑ https://www.youtube.com/watch?v=_pLgUWJY9xs
↑ Craig Morton. Aquarium Specialist, CEO of Aquarium Doctor Inc.. Expert Interview
Co-authored by: Craig Morton Fish & Aquarium Specialist This article was co-authored by Craig Morton. Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. This article has been viewed 586,318 times. 3 votes - 100% Co-authors: 41Updated: March 31, 2025 Views: 586,318 Categories: BettaArticle SummaryX
To feed a betta fish, start by going to a pet store and getting specially made betta pellets. Try to get some brine shrimp, worms, or insects, too, since betta fish like variety! Be sure to soak the pellets and anything else that’s dried before you feed your fish so the food doesn’t expand in its stomach. Then feed your fish 5 or 6 days a week, leaving a day or two for fasting. Give it an amount of food that’s about the same size as its eyeball each time you feed it. For more tips from our Veterinary reviewer on feeding a betta fish, including how to pick out the right food, keep reading!Did this summary help you?YesNo
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Reader Success Stories
Dean Ellison
Feb 8, 2018
"I had bettas when I was younger, then none for the next 40 years so I had forgotten a lot of what I knew. This was a gift and in trying to care properly for him, your article was helpful. Some things I remembered and some I had never heard of but like. Think I am getting the fever again. I had never known about personalities and tricks, etc. So this is an almost new experience. I have 1 male and his name is Dasher. My great granddaughter, Riley Grace, named him."..." more Rated this article:
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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Co-authored by: Craig Morton Fish & Aquarium Specialist Co-authors: 41Updated: March 31, 2025 Views: 586,318100% of readers found this article helpful. 3 votes - 100% Click a star to add your vote
Dean Ellison
Feb 8, 2018
"I had bettas when I was younger, then none for the next 40 years so I had forgotten a lot of what I knew. This was a gift and in trying to care properly for him, your article was helpful. Some things I remembered and some I had never heard of but like. Think I am getting the fever again. I had never known about personalities and tricks, etc. So this is an almost new experience. I have 1 male and his name is Dasher. My great granddaughter, Riley Grace, named him."..." more Rated this article:
Meggie
Nov 5, 2017
"Great detail on this! I was totally unaware of the things that bettas can eat, and thought at first that pellets don't need to be soaked. This post is very informative, and I will be showing it to all of my betta-loving friends."..." more
Ronald Pearson
Sep 26, 2019
"Extremely valuable information. My beta is thriving, and I prepare different meals for my beta 3 times a week. He eats out of my hand, and I am sure he loves the fact that I learned how to take care of him."..." more
Kristina Hazelhoffer
Jun 8, 2021
"I've never had a betta before, and decided it was time to invest in one. He spat out the food I gave him. So, with a little research, I found this godsend of an article. Thank you, authors!"..." more
Maggie Kelly
May 1, 2017
"I got two female bettas for my birthday today. I was unsure about feeding them and taking care of them in general. My sister has been unsuccessful when she had (numerous) betta fish. "..." more Share yours! More success stories Hide success stories
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Co-authored by: Craig Morton Fish & Aquarium Specialist This article was co-authored by Craig Morton. Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. This article has been viewed 586,318 times. 3 votes - 100% Co-authors: 41 Updated: March 31, 2025 Views: 586,318 Categories: Betta Article SummaryX
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1 Get an amount the size of its eyeball. A betta’s stomach is roughly the size of its eyeball and should not be fed a meal larger than that at once.[2] This translates to about three pellets or brine shrimp per feeding. If you feed gel food, it should be about the same amount. A betta can be fed this amount once or twice a day.[3] 
2 Reduce if they aren’t eating it all. If your fish isn’t eating all of its food, reduce the amount you’re feeding them. If you usually feed four pellets per fish, try reducing to three for a while. If you notice the fish is eating very quickly, you can increase back to 4. Advertisement 
3 Scoop out uneaten food. Uneaten food can attract bacteria that is bad for water chemistry and the fish. This is especially problematic if the fish eats the food after it has gone bad. 
4 Feed it regularly. A betta should be fed every day or nearly every day. Two feedings evenly spaced out should do it. If you keep a betta in the office and you can’t feed it on the weekends, it will be just fine as long as you feed him the other five days per week. Remember to leave one day of fasting for your betta fish. It will suit its needs.[4] 
5 Add some variety. In the wild, betta fish prey on a variety of smaller animals. Feeding your betta the same type over a long period can harm their immune system and cause them to eat less.[5] 
1 Feed it worms. Various species of small aquatic worms make up the core diet of betta fish in the wild. The most common worm for betta fish is the bloodworm, which comes live, freeze-dried, frozen, or in a gel, but these aren't very nutritious and are better used as treats. Brine shrimp is a good option or glassworms (tubifex worms), but specially made betta pellets and gels are best.[6] 
2 Feed it insects. You can use either live or frozen insects. The best options are Daphnia, also known as a water flea, and fruit flies.[7] 
3 Feed it other options. There are various frozen meats that betta fish can also eat. You can use brine shrimp, mysis shrimp, or frozen beef heart. These options will be available at most major pet stores.[8] 
1 Avoid overuse of dry food. This includes flakes or freeze-dried foods. Some fish foods will be marketed as being for bettas but could still cause digestion problems because of indigestible fillers and a lack of moisture. 
2 Soak dried pellets. If dried foods are the only thing available, soak them in a glass of water for a few minutes before feeding them to your betta. This will expand the pellet to its full size before the betta digests it.[9] 
3 Don’t always follow the directions on food labels. Fish pellets or flake containers often say “Feed what your fish will eat in 5 minutes or until it stops eating.” This does not apply to betta fish. In the wild, their instinct is to eat as much as possible because they don’t know when their next meal is coming. 
Craig Morton Fish & Aquarium Specialist Craig Morton is the CEO of Aquarium Doctor Inc. based in Huntington Beach California and servicing Orange County, Los Angeles County, and the Inland Empire. With over 30 years of aquarium experience, Craig specializes in creating custom aquarium designs along with aquarium installation, service, and maintenance. 
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