If you’ve ever visited a pet store, you’ve probably noticed small jars or bowls allowing limited or no movement of the one fish inside each container. These are bettas, also known as “Siamese fighting ...

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 ...

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 for ...