When it comes to the single, solitary aquatic life, most people think of the goldfish in his little bowl. But there is another type of fish that lives in even closer digs, and is arguably better ...

It often takes a careful eye to identify the sex of a beta fish. Reviewed by Nick Saint-Erne Reviewed by Nick Saint-Erne Determining the gender of a betta fish is actually quite easy, but sometimes, ...

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 ...

Betta fish, also called Siamese fighting fish, are small, colorful fish that are native to Southeast Asia and common in the pet trade. In Thailand, people call betta fish "pla kat," which means ...