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 ...

A betta's color can fade when they become stressed. This alone isn't cause for concern, but stress can make a fish vulnerable to infections or other ailments. It's also possible the color loss could ...

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.

Betta fish, known for their vibrant colors and flowing fins, can live for 2 to 5 years, and even longer with proper care. To ensure their well-being, it's crucial to replicate their natural habitat.

Two-month-old betta babies typically measure around 1 to 1.5 inches long. At this point, you can also differentiate between male and female fish. The males also begin being aggressive toward one ...