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 ...

BANGKOK-- A Siamese fighting fish with the colors of the Thai national flag has been bought for 53,500 baht ($1,530) at an online auction, possibly making it the most expensive Betta fish ever ...

Betta fish, also known as Siamese fighting fish, are often regarded as one of the most accessible and colorful additions to the home aquarium. With their flowing fins, vivid colors, and striking ...