Best 2.6-Gallon Tank: If you want a betta and are very low on space, consider the Fluval Betta 2.6-gallon tank. Like the other Fluval tanks on this list, this tank includes high-quality filter ...

Divider Despite their mellow appearance, bettas are fiercely territorial. Keeping more than one betta in the same tank will guarantee fighting. Even other fish species are not suitable tank mates ...

Bettas are excellent jumpers and can easily escape from an uncovered aquarium. Be sure your betta tank has a secure lid on it to prevent your fish from leaving the safety of the aquarium and ...

If your betta fish is still in their tank, they're probably sleeping! Here's everything you need to know about how betta fish sleep, according to vets.