Two Species of Lionfish Have Recently Invaded the Caribbean, the Gulf

Two species of lionfish have recently invaded the Caribbean, the Gulf of Mexico, and the Western Atlantic region.Comparing these predatory fishes with their native competitors, the activity of the lionfish could best be classified as

A) strong predators with asymmetrical effects on competitors.
B) strong predators with symmetrical effects on competitors.
C) weak predators with symmetrical effects on competitors.
D) weak predators with asymmetrical effects on competitors.
E) medium-strength predators with symmetrical effects on competitors.