Scientists have found Siamese fighting fish are typically kept in containers just one-quarter the size they need to thrive, challenging decades of retail practice in the ornamental fish industry ...

Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to ...

Kate Lacey is obsessed with Betta splendens, tiny, fierce and flamboyantly colored and finned tropical fish she owns and breeds in her San Francisco apartment, where this interview took place. Where ...

These stunning portraits of Siamese fighting fish seemingly floating in mid air are reel-y some-fin special. With their long flowing fins and brilliant colors, this striking series of photographs show ...

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 ...

BANGKOK (AP) — The Siamese fighting fish, a popular beauty in home aquariums and a popular bet for gamblers for their violent territoriality, is set to become Thailand’s national aquatic animal. The ...