Silver, bighead carp were caught by commercial fishermen March 1 in Mississippi River near Winona (Released March 5, 2012) A silver carp and a bighead carp were caught in a seine net by commercial fishermen March 1 in Pool 6 of the Mississippi River near Winona, according to the Minnesota Department of Natural Resources (DNR). Silver and bighead carp, members of the Asian carp family, are nonnative species that can cause serious ecological problems as they spread into new waters . The silver carp caught last week, which weighed about 8 pounds, represents the farthest upstream discovery to date of the species, known for its tendency to leap from the water when startled. “A silver carp discovery this far upstream is discouraging, but not surprising,” said Tim Schlagenhaft of the DNR’s Mississippi River Team at Lake City. “This is further evidence that Asian carp continue to move upstream in the Mississippi River.” “We hope this galvanizes meaningful action to slow down the uprive...