Betta fish, often called Siamese fighting fish, are among the most popular aquarium pets due to their vibrant colors and ...

We may receive a commission on purchases made from links. There are over 70 species of betta fish, with the most common pet varieties being the crowntail, delta, double tail, and halfmoon.

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 ...

Betta fish might be small, but they still require a sizable amount of care. If you're going to keep this type of fish, you must learn how to clean a betta fish tank. Even with a quality aquarium ...

The northern snakehead is not alone in this ability: Walking catfishes, lungfishes, and betta fish can all breathe air directly as well. These fish reach sexual maturity between one and three ...