Chicago has long been characterized as the last line of defense in the war to prevent bighead and silver carp from reaching the Great Lakes. But as efforts ramp up, another little-discussed species of Asian carp is already spawning in the region and could become the first to be established.
Grass carp, a third variety of Asian carp, has already been found in the lower four Great Lakes, and recent evidence suggests it is spawning in Lake Erie.
LINK (via: Chicago Tribune)