What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their ...

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 ...

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 ...

A twirling dancer, a bird in flight? Through a photographer’s lens, this popular pet, also known as the Siamese fighting fish, becomes a fantasy in fins. Creative inspiration is all around us, says ...

Betta fish are popular but they are not easy starter pets, so families need to plan ahead and stay involved to keep them healthy and safe. Caring for a betta can help kids learn responsibility, ...