For years, people have been freaking out that Asian carp are about to invade the Great Lakes.
That concern seemed more real than ever this summer after an Illinois fisherman caught a carp in June less than 10 miles from Lake Michigan — beyond the barriers designed to keep them out.
These voracious fish have already decimated Midwestern rivers. They’re filter feeders who feast on plankton — the tiny plants and critters that prop up foodchains. And they eat lots of them. Adult Asian carp eat pounds of the stuff every day.
