Updated On June 19th, 2017
Pet's info: Fish | Unknown - Fish | Male
Answered By Rebecca, DVM 139
Veterinarian
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It's not really recommended to keep fish in bowls with no filtration. And 2.5 gallons isn't really big enough for much. A Beta fish may possibly do ok in it if you can maintain it. But I would recommend more doing plants and a few snails or ghost shrimp type of animals in a bowl that size.
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