How many species can just one invasive impact?

Redbreast Sunfish

Black Crappie

Bullheads

Warmouth Sunfish

Bluegill Sunfish

White Catfish

American Eel

Chain Pickerel

Redear Sunfish

Largemouth Bass

American Shad

Channel Catfish

Flathead eating a

bluegill​

Flathead catfish have impacted these 12 species and more via predation and competition, creating ecological and economic problems.