Betta Fish Aquarium Size. Well the same goes for your betta. A 20-gallon aquarium at least is required to host a sorority of betta fish consisting of five females.
However nowadays the fish is a collectible item and its coloring as well as its fins shape vary quite a lot. The best minimum tank size for a Betta fish is two and a half gallons. A betta fish can do fine in a 30-gallon tank or even larger.
It is quite normal for a fish of this size.
This biOrb Cube MCR fish tank comes in 8-gallon and 16-gallon sizes making this stylish aquarium the perfect choice for your betta fish and a few tank mates. In nature these fish can survive almost in puddles when the streams dry up in the dry season. Size of the aquarium gravel. And while bettas can survive in a 25-gallon tank theyre going to be very unhappy.
