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.

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 ...

Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to southeast Asia, this species is known for its range of vibrant hues. There ...

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 ...

Feeding pet fish may look simple, but it is one of the most important tasks for keeping them healthy and active. Many new fish owners think that all fish food is the same, but that is not true. Just ...