What’s the extent of invasive silver carp’s presence in Wisconsin’s lower Chippewa and Black rivers? Officials working to find out

In July, the Wisconsin Department of Natural Resources (DNR) began receiving ominous reports from anglers who saw fish leaping high in the air at the Dells dam on the lower Chippewa River in Eau Claire. By Late October biologists made it official, confirming that silver carp, an Asian invasive species, have been detected in portions of the lower Chippewa River and lower Black River in western Wisconsin.
While biologists say it might only be a low population and there is no evidence of reproduction, they are using the opportunity to remind people about carp, and about Asian species in general, in local waters.

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