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Fish/Betta tank mates


I have a veil tail marbled Betta in a 7.5 gallon tank. All parameters are good and steady.

I want to add a tank mate but I feel Shrimp are too sensitive and will be picked on by the Betta as he is very dominant. Because the tank is small, I'm reluctant to put a Bristlenose Catfish because they can grow too large to be house comfortably.

My question is, What would you suggest as a tank mate/tank cleaner for him?

Hi Danielle

A couple of Oto Cats or Cory Cats will work with a Betta in a 7.5 gallon tank. The Betta should not bother either of them, and they will keep your tank clean.

Remember it is important to keep your 25% water changes up every week especially with tank mates in a smaller tank.

Hope this helps, good luck!



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Richard Hight


I own and maintain several freshwater aquariums from 2 to 180 gallon. I can answer most questions about freshwater aquariums, including setup, cycling, maintenance, compatible tank mates, feeding. Moving? I've moved fish both across town and across the country and can help you get your little aquatic friends to their new home safely. I know and have experience with most freshwater community fish, South American Cichlids and African Cichlids. I don't answer questions about Goldfish or keeping Goldfish with Tropical Fish. I also don't answer questions about keeping crustaceans (shrimp, snails, crabs etc) with Tropical Fish, nor questions about saltwater fish or aquariums. I'm not available to answer questions on weekends, this is when I do maintenance on my own tanks.


Many years of personal experience with fish and aquariums

HSG 2010-2011 prof

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