Eurasian ruffe DNA found in southern Lake Michigan

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Posted: Wednesday, December 4, 2013 12:00 am

TRAVERSE CITY, Mich. (AP) - Genetic material from an invasive fish called the Eurasian ruffe has been found in southern Lake Michigan for the first time, raising the possibility that it could migrate into the Mississippi River watershed and compete with native fish there, a scientist said Tuesday.

Researchers testing Great Lakes waters for signs of Asian carp and other invasive species detected DNA from the ruffe in two samples taken in July from Lake Michigan's Calumet Harbor at Chicago, said Lindsay Chadderton of The Nature Conservancy, a member of the team.

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