Cat parasite killing otters; Michigan's perch pressured; HACCP for medicine
...ch are already abundant in Lake Michigan, may keep ruffe numbers down. The bad news is that Eurasian ruffe will nonetheless deplete resources for yellow perch, an important native sport fish. With funding fr...An "alarming" discovery for ruffe
MINNEAPOLIS, MN. Eurasian ruffe release a potent pheromone when they are injured that repels other ruffe and could be useful in controlling this exotic nuisance fish. University of Minnesota Sea Grant res...Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS
...e Great Lakes, where populations of the introduced ruffe and round goby areexploding and where introduced sea lampreys, which parasitize other fishes, havebeen implicated in the collapse of the lake trout fishery. Ruffe and round gobywere introduced to the Great Lakes via ship ballast water, and the sea la...