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 ...

In a viral TikTok posted on Jan. 7, TikToker Madelyn Reisch (@theirworthmore) said that a pet supply store put two male betta fish in a plastic cup together—male betta fish “should never be kept ...

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 ...

Bettas are commonly referred to as Siamese fighting fish, due to the male’s aggressive territorial behaviors. The variety sold in pet stores usually display eye-catching colors and long fins. Bettas ...