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 ...

Betta fish might be small, but they still require a sizable amount of care. If you’re going to keep this type of fish, you must learn how to clean a betta fish tank. Even with a quality aquarium ...