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 for “enduring fish ...

In pet stores, the popular fish are often kept in small tanks or plastic bags, giving them insufficient space. Read more at ...

A new study published in Animal Welfare examined how tank size and furnishings impact the behaviour of Siamese fighting fish (Betta splendens), one of the world's most popular aquarium fish.

Betta, or Siamese fighting, fish are among "the most ... In captivity, betta fish typically live two to five years, according ...