More than 50 invasive carp captured on Mississippi River

In response to this discovery, the DNR is working with the U.S. Fish and Wildlife Service, the U.S. Geological Survey, the Wisconsin DNR and commercial fishing operators to conduct large-scale netting, studies of the captured carp and increased monitoring.

What's driving the Wisconsin walleye decline?

Researchers know Wisconsin lakes aren't too warm for walleye, a cool-water fish, to survive. They suspect it's a recruitment (surviving to maturity) issue that has more to do with food sources and what species has the competitive edge.