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 ...

Betta fish may be small, but they still require adequate space to swim and thrive. Contrary to popular belief, bettas cannot survive in small, cramped spaces such as vases or small bowls.

“We have seen too many betta fish kept in inappropriate environments (e.g. bowls or vases) that can severely impact their health.” By providing your betta fish with a suitably sized tank (the ...