WALKER, Minn. — Minnesota's third-largest lake has a namesake only an angler could love: the leech. Earthworm's ugly aquatic cousin. Those slimy, crawly creatures straight out of a horror film. But ...

Populations of rusty crayfish, an invasive species in the lakes of Minnesota and Wisconsin, have seen a steady decline in some regions—and, for once, humans aren't responsible. A study published in ...

The State of Nevada has authorized the trapping of crawfish-- or crayfish, as they call them -- in Lake Tahoe, according to recent reports by The New York Times and NPR. This is the first commercial ...

Researchers trap rusty crayfish to test ways to remove the invasive species. Researchers trap rusty crayfish at Tofte Lake to develop methods for removing the invasive species from northern waters ...

DOUGLAS COUNTY, Minn. (Valley News Live) - The Minnesota Department of Natural Resources has confirmed signal crayfish in Lake Winona, adjacent to Alexandria in Douglas County. This is the first ...