The lionfish is a non-native species to the Atlantic ocean that does not have many natural predators. In recent years, it has invaded parts of the Caribbean due to being released from aquariums by people. It has been feeding off of the young snapper and grouper population. Local fishermen are dependent on snapper and grouper. It is a big part of the local economy. This will negatively impact the fisherman as A) The lionfish will eat the young of the snapper and grouper which will reduce their population. This will cause the local fisherman to have to find other ways of earning income.