Commercial fisherman Ronnie Hopkins (left) and his assistant, Armondo, catch Asian carp on Lake Barkley, Ky. Paul Rister/AP hide caption

itoggle caption Paul Rister/AP

A Russian sow on Mark Baker's farm. Four other parties have joined Baker's lawsuit against the Michigan Department of Natural Resources. Courtesy of Long Haul Productions hide caption

itoggle caption Courtesy of Long Haul Productions