Tiny invasive snail impacts Great Lakes, alters ecology

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.

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<p><a href="http://www.physorg.com/news137401949.html">Tiny invasive snail impacts Great Lakes, alters ecology</a></p> <p>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. </p>