(MI) The Associated Press - After nearly four decades as a fishing guide on the Great Lakes, Pat Chrysler has seen enough damage from invasive species to fear what giant, ravenous Asian carp could do to the nation’s largest bodies of freshwater.

“It’s like introducing piranhas to the Great Lakes,” Chrysler said from South Bass Island in Lake Erie, which teems with walleye, perch and other fish that draw anglers from near and far. More