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

A betta fish's lifespan can be impacted by the care it receives, WebMD reports. Bettas may live longer if their tank is clean, the environment is calm and their diet is healthy.

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