Life+Cycle

How long do crayfish live? The answer is: the average life span for a crayfish is two to three years. Did you know crayfish get bigger in the wild then in the captivity? The crayfish starts as a egg it gets a little bigger and it grows to be six to eight cm. Crayfish live under rocks to protect themselves. The egg hatches throght two - twenty weeks. If a crayfish loses a leg it grows back. That is called regeneration.