While not completely within your control, you can support your betta fish's longevity by choosing the right aquarium ...

Betta fish lifespan. Betta fish on average live to be 2-4 years old. The length of your betta fish’s life is directly related to the environment you keep them in.

Betta fish, also known as Siamese fighting fish, are known for their bright colors and beautiful fins. It’s important to provide your betta fish with a diet and environment suited to their needs ...

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 ...

If you or someone you know already has a betta as a pet, Byrne suggests providing a proper environment for your fish, including an appropriate-sized fish tank, ...

Think about a betta’s natural habitat, and you can see how nature has provided a push for the development of these adaptations in this fish. Bettas live in mostly still waters in inlets, ...

A betta fish, also known as the Siamese fighting fish, in an aquarium of the International Plakad Competition on Bangkok in September. Credit... Mladen Antonov/Agence France-Presse — Getty Images.

If your betta is sharing a tank, tail biting can also be an issue he said, explaining that this might be caused by stress, boredom, pent-up aggression, or even genetics. TK.