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 ...

it is important to create an environment that closely resembles their natural habitat. Recreating the environment in your tank should be your priority. Consider a large tank for the betta.

You may also add a catappa leaf to your betta fish aquarium. Catappa is a tree that grows in the betta fish’s natural, tropical habitat. It can release helpful antibacterial tannins into aquarium ...