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, 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.

This fascinating color palette also belongs to some incredible species, as you’ll see here on our list of the top 12 blue fish! Betta fish are incredibly popular, mostly for their ability to live as ...

Betta, or Siamese fighting fish, are one of the most popular aquarium fish in the world. Originating from southeast Asia, betta fish are known for their diverse range of colors with over 70 different ...

Species-level identification would help inform conservation measures for fish such as wild-caught specimens of Betta cracens, a betta fish found only in a single freshwater swamp forest in Sumatra, ...