How to Keep Multiple Female Bettas in One Tank

Co-authored by Craig Morton

Last Updated: November 9, 2024 References

Although male betta fish must not be kept with other betta fish, female betta fish can often be kept in the same tank. This is what many fish keepers call a "betta sorority". Although they do not have the same long tails as the males do, female betta fish each have their own adorable personality and beautiful colors. Given the appropriate tank mates, they are sure to make a great addition to your tank.

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This can often be a difficult task, since many pet stores keep all of their betta fish alone in a cup or a bowl. When you are choosing the betta fish, observe their personalities. If the betta is flaring her gills at the fish around her, this is a sign of aggression, and they may not be suitable for a betta sorority. Opt to buy more calm betta fish, and if the betta fish in the store are already in a betta sorority, then this usually means they are suitable tank mates for other female betta fish.
Sometimes, a betta sorority can become an aggressive environment, especially when the betta fish are all new to the tank and are establishing the hierarchy. You will want to add lots of live or fake plants to the sorority tank to break up the sight lines, and lots of decorations for them to hide in if they need to get away.

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Ensure that your tank is properly heated (76-78 degrees Fahrenheit is ideal) properly filtered, and is a sufficient size for a betta sorority. Female betta fish cannot be kept together in a small tank without excessive fighting; therefore, it is important to put them in a tank that is at least 25 gallons. Providing insufficient tank conditions for your betta sorority will result in more stress for the fish, and may in turn lead to more aggression. This also includes doing water changes once per week.
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Ensure that your betta fish are well fed. If you notice your betta fish are nipping each other's tails, or are acting more aggressive then usual, this could be a sign that they are hungry. Feed your betta fish a mix of dry, frozen, or freeze-dried food once per day. Some people fast their betta fish one day per week to improve digestion, but this is optional.
- That said, make sure not to overfeed your fish, since their stomachs are rather small.
If you notice that certain bettas in the tank are fighting, or if you notice one particular betta that is either bullying or being bullied, you may have to remove that particular betta. Watch closely for torn fins, colour fading, disinterest in food, resting often at the bottom of the tank, etc.
If you have a betta sorority that is aggressive, you may want to try adding "filler fish" to the tank to distract the betta fish from each other. These "filler fish" are small, fast fish that get along with most bettas, and will fill in open space in the tank. Some good options include harlequin rasboras, neon tetras, less colourful female guppies, ember tetras, etc. The type of fish you choose as your "filler fish" will completely depend on your own individual sorority.
This is a tank that is kept specifically for injured fish, sick fish, fish that are being bullied, or fish that are bullying. It is always handy to have one of these tanks set up in case of an emergency.

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Can three female bettas live in three gallons?

Mel K

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Absolutely not. Unfortunately, that will end in a mess. Do not put female bettas In anything smaller than 20 gallons.

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Betta fish usually prefer dense, live plants, particularly with a betta sorority. Some good options are java fern, java moss, anubias, amazon swords, and hornwort. These are all hardy and low-maintenance plants.

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Warnings

Do not keep male betta fish together. This will lead to a fight to the death between the fish.

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Do not put a male betta fish in a betta sorority. This will lead to extreme fighting, and sometimes death.

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If you are not ready to consistently monitor and commit to keeping a betta sorority, it may be best to keep one betta fish with other compatible tank mates, or simply keep the betta by itself.

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Be careful when choosing the decorations for you betta sorority. Betta fish can get their tails and fins caught on these decorations which can lead to tearing and scraping.

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If you notice signs of bullying and aggression in the tank, it is important to remove either the bully or the one being bullied immediately. Although female betta fish are much less aggressive than the male betta fish, they can still kill each other.

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How to Keep Multiple Female Bettas in One Tank

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