Can I put a male and female betta in a 2.5 gallon tank with a divider?
Updated On September 23rd, 2025
Pet's info: Fish | Unknown - Fish | Male | unneutered
I just purchased a baby male betta fish, can I put him in the same 2.5 gallon tank as my female, but with a divider?
2 Answers
Most Helpful Answer
Published on May 29th, 2017
You will need to use a solid or opaque divider to obstruct their view of one another. If they can see each other, it can stress them out. As the male matures, he will want to breed with the female and she will spend time swimming as far from the divider as possible to move away from him.
2Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on July 7th, 2018
If you put another male betta in with him they will try to kill each other and will succeed. You would need two female bettas to put in, however a half gallon tank is way too small for three fish, and even for one betta this is not big enough. I suggest you get a 10 gallon tank. Then you can put three bettas in the tank and they will be happy (1 male, two females).
1Pet Parents found this answer helpful
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