However, larger tanks will allow for stable water conditions, plenty of swimming space, and room for decorations, so when it comes to Betta fish, a little more space is preferable.

Aqueon LED Mini Bow Aquarium: available at Petco If you have two male betta fish, this tank may fit the bill. It contains a divider that allows two bettas to coexist peacefully in the same aquarium.

Betta fish tanks may be small, but ensuring that your pet remains in good health still requires keeping up with cleaning, feeding and monitoring pH levels. Be sure that your schedule allows for ...

You need to clean a 5-gallon tank weekly, while a larger 15- or 20-gallon tank only needs cleaning once or twice a month. Among the best betta fish tank options is the Tetra ColorFusion Aquarium.

You need to clean a 5-gallon tank weekly, while a larger 15- or 20-gallon tank only needs cleaning once or twice a month. Among the best betta fish tank options is the Tetra ColorFusion Aquarium.

They’re cheap, too—the fish are sold for as little as $2 each. It may seem tempting to buy these little gems as captivating, swimming decorations.

You need to clean a 5-gallon tank weekly, while a larger 15- or 20-gallon tank only needs cleaning once or twice a month. Among the best betta fish tank options is the Tetra ColorFusion Aquarium.

You should never keep a betta fish in a tank any smaller than 5 gallons, but larger is better. Something between 15-20 gallons is ideal for a betta fish and a handful of suitable tankmates.