Exotic, Invasive Snail Found in Two New Wisconsin Streams

New Zealand mudsnails, an invasive snail previously only found in two Dane County locations, have recently been verified in two new streams – Mt. Vernon Creek in Dane County and Rowan Creek in Columbia County.

Mt. Vernon Creek, located in southwest Dane County, is a tributary to the Western Branch of the Sugar River and is a Class 1 trout stream. Rowan Creek in Columbia County near Poynette is a Class 1 and Class 2 trout stream. Stream biologists and volunteers discovered the snails during routine stream sampling.  Click on the following paragraph to access the full story.

All water users play an important role in preventing the spread of the New Zealand mudsnail and all other aquatic invasive species. Anyone can prevent the spread of invasive species by following the Stop Aquatic Hitchhikers guidance of:



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