mud snails

More than 180 non-native species have been introduced to the Great Lakes region, and many of them have been categorized as invasive, causing potential threat to native ecosystems and their populations.   One relative newcomer is causing concerns about its potential risks to the region’s trout streams.  The New Zealand mud snail (Potamopyrgus antipodarum) is an aquatic invasive that has appeared in Great Lakes streams only recently. …