How long does a Fin Tail fish live?

The lifespan of a fin tail fish, often referred to in the context of certain species like the Betta fish, typically ranges from 2 to 4 years when properly cared for in a suitable environment. Factors such as water quality, diet, and tank conditions can significantly impact their longevity. Some fish may live longer with exceptional care, but generally, 3 years is a common expectation.