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 ...

Bettas are one of the most popular fish species. Most people consider them relatively active, but this isn’t always true.

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.

At 28 years old, Vo Thanh Hai has built a successful business breeding betta fish - an exotic species prized for its vibrant colors and fierce temperament. Dubbed "Oriental jewelry" by enthusiasts, ...

A new study published in Animal Welfare examined how tank size and furnishings impact the behaviour of Siamese fighting fish (Betta splendens), one of the world's most popular aquarium fish.