Tiny invasive snail impacts Great Lakes, alters ecology
Friday, August 8, 2008 - 07:49
in Biology & Nature
Long a problem in the western U.S., the New Zealand mud snail currently inhabits four of the five Great Lakes and is spreading into rivers and tributaries, according to a Penn State team of researchers. These tiny creatures out-compete native snails and insects, but are not good fish food replacements for the native species.