Although the cisco is widespread across the northern Great Plains, only one population is known from B.C. (Maxhamish Lake). This lake, and its fishes, has been studied and the cisco population appears to be healthy.
Source: Information provided by Don McPhail for E-Fauna BC.
North America: widely distributed in Canada and northern USA in St. Lawrence-Great Lakes, Arctic, and upper Mississippi River basins from Quebec to Northwest Territories and Alberta and south to northern Ohio, Illinois and Minnesota. Rare in Great Lakes. Said to be conspecific with Coregonus autumnalis
and Coregonus autumnalis pollan
based on electrophoresis studies. Belongs to Coregonus artedi
. Page, L.M. and B.M. Burr 1991 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston.