Bettas need space to explore just like any other pet, so a small tank with nothing to look at can stress your fish out. 5 gallons is the minimum tank size for a betta fish, but 10 gallons is ideal.

Many people think that Bettas can live in small spaces like bowls and vases, but they are actually better off in larger tanks with more swimming room. For a Betta, you need a tank with at least ...