Betta fish are native to Southeast Asia and are prized aquarium species for their long fins and varied colors.

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 ...

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 ...