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.

This species, with its many varieties, is the most common betta fish found in aquariums and pet stores, but it has more than 70 relatives, including the endangered Betta miniopinna and Betta ...

If you have other fish that are not infected, remove half of the water from the main aquarium. Perform a full water change if ...

Learn how to properly care for your betta fish to enhance its lifespan. Discover feeding habits, tank requirements, and the ...