Walleye, or Pikeperch, a food fish that is most abundant in the Great Lakes region of North America. It may be either yellowish or bluish above and is silvery below. A black blotch on the rear of its first dorsal (back) fin distinguishes it from its smaller relative the sauger, or sand pike. Walleyes usually weigh less than 5 pounds (2.2 kg), but they may grow to 25 pounds (11 kg).Walleyes are food fish of the Great Lakes region of North America.
The walleye is Stizostedion vitreum vitreum of the perch family, Percidae.