Scientists found that the fish were gradually domesticated like dog breeds into the beautiful shapes and colors that turn up today in pet stores. A betta fish, also known as the Siamese fighting fish, ...

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 for ...

In 1975, scientists tried spaying a few hundred female betta fish. We all know what happens to spayed cats and dogs: They become sterile. Betta fish are different. A third of the surviving bettas ...

As the water disappears, dozens of wild betta fish are left fighting to survive. What starts as a quick check turns into a race against time to rescue them before the pond dries out completely. This ...

Bettas have become one of the most popular fish for first-time fish owners to purchase. Much of this has to do with the beautiful colors the fish come in and the perceived simplicity of their care.