Updated: Wednesday, 07 Oct 2009, 12:59 PM EDT
Published : Wednesday, 07 Oct 2009, 7:28 AM EDT
GRAND RAPIDS, Mich. (WOOD) - A destructive creature is killing lake trout and salmon in the Great Lakes and damaging the fishing industry at the same time.
James Clark from Shedd Aquarium and Jeff Slade from the U.S. Fish and Wildlife Service talk about the sea lamprey -- an invasive species.