Lake chub

The lake chub is a species of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related species. This fish is found in Canada and in parts of the United States. Of all North American minnows, it is the one with the northernmost distribution. Its genus, Couesius, is considered monotypic today. The genus was named after Elliott Coues, who collected the holotype specimen.