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.

If you want more than one type of fish, you should probably just go ahead and get a 20-gallon tank, which is still “small” in the aquarium world. No, they don’t “grow to the size of their ...

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