Bettas need an aquarium with a filter that is at least three gallons. Set up their new home at least one day before they arrive. The minimum size of the aquarium will depend on how many fish you have. For just a betta, the tank should be a minimum of 3 gallons.

Do you need a pump for a betta fish?

Betta Tank Accessories

Do betta fish need air? Bettas can survive without an air pump, unlike other aquarium fish, since they have a special respiratory organ called a labyrinth in addition to their gills. The labyrinth allows them to breathe very small amounts of air.

Are betta fish good for beginners?

Betta fish (also known as Betta splendens or the Siamese fighting fish) are a long-time favorite pet for both beginner and veteran fish keepers because of their colorful finnage and spirited personalities.