Betta fish are one of the most popular aquarium fish in the world. Here is what to know about bettas, including how long they ...

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.

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 ...

Betta fish, known for their vibrant colors and flowing fins, can live for 2 to 5 years, and even longer with proper care. To ...