Bettas should ideally live alone without tank mates, and especially not with other betta fish as they can be very aggressive. Their minimum tank size is 10 gallons.

What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages: Malay ...

Betta fish, also known as Siamese fighting fish, are popular for their vibrant colors and feisty personalities. However, ...