I have read a lot of different articles on the Lion Fish, they have been a large cause to the decline of grouper in the ocean because they eat the babies. They basically eat anything that will fit in their mouth and nothing will eat them since they are poisonous.

From what a lot of people say they are great to eat, their poison is only in their spines and you can clip them off with some pliers and cook them from there.

A lot of coastal towns have Lionfish rodeos where they show people how to properly catch them and teach them to cook them.