East and West North Atlantic Ocean: Lake Superior Basin, Michigan; Lake Michigan Basin, Wisconsin, Michigan (Carp Lake, Betsie, Muskegon, Pentwater, Pine, and Platte rivers), Illinois, and Indiana; Lake Huron Basin, Michigan (Devils, East Au Gres, and Rifle rivers); Lake Erie Basin, New York, Ohio, Michigan; Lake Ontario Basin, New York; St. Lawrence River Basin (New York and Vermont) and along the eastern coast of the USA (New Hampshire, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Delaware, South Carolina, Florida) from Newfoundland down to Florida and into the Gulf of Mexico (Ref. 89241). Individuals with access to ocean are anadromous. Spawning adults occur in gravel riffles and runs of streams. Feeding adults are found in ocean and lakes (Ref. 86798). A serious pest in landlocked areas (Ref. 5723). Also Ref. 7251, 27549.