Lake chub

Lake chub

Secure  (NatureServe)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Leuciscidae
Subfamily: Plagopterinae
Genus: Couesius
D. S. Jordan, 1878
Species:
C. plumbeus
Binomial name
Couesius plumbeus
(Agassiz, 1850)
Synonyms
  • Gobio plumbeus Agassiz, 1850
  • Leucosomus dissimilis Girard, 1856
  • Ceratichthys prosthemius Cope, 1867
  • Nocomis milneri D. S. Jordan, 1877
  • Couesius greeni D. S. Jordan, 1893
  • Couesius adustus Woolman, 1894
  • Couesius plumbeus rubrilateralis P. Cox, 1901

The lake chub (Couesius plumbeus) 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.