How Many Betta Fish in a 20-Gallon Tank? Letโs Find Out..
In my opinion, a 20-gallon tank is an excellent size for a betta tank. It allows plenty of swimming space, and also the possibility of adding schooling tank mates, too. Male bettas can only be kept in the same tank if it has dividers, and a divided betta tank can accommodate up to 4 males. …
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