Originally Posted by new2fish
I'm just wondering if there's anyway to tell how old a betta is?
I've heard that you could tell by the length of the fins.
How old do betta's get?
Bettas on average live 3-4 years. When you buy them from stores, they are most likely around 1 year old. There isn't a clear way on how to tell their age from what I know, but there might be.