Nocomis micropogon
River Chub
NS
G5
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Cypriniformes (Carps and Minnows)
Cyprinidae (Carps and Minnows)
Nocomis
Nocomis micropogon (River Chub)
Description
This species account was compiled from
FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.)
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Characters
Body shape: fusiform / normal.
Distribution
North America: Susquehanna River, New York to James River, Virginia, USA; Great Lakes basin, New York in USA, and Ontario in Canada to Michigan, USA; Ohio River basin in New York to eastern Illinois and south to northern Georgia and Alabama except absent in southwestern Indiana, western 2/3 of Kentucky, and most of western Tennessee, USA. Introduced in Ottawa River system in Ontario; also present and possibly introduced in upper Santee River in North Carolina, Savannah River in South Carolina and Georgia, and Coosa River in Georgia.
Habitat Associations
Freshwater. demersal. Found in: streams.
Biology
Inhabits rocky runs and flowing pools of small to medium rivers (Ref. 86798). Oviparous (Ref. 205).
Max length: 33.0 cm TL; common length: 13.5 cm TL; max age: 5 years.
Reproductive mode: dioecism; fertilization: external; nonguarders (brood hiders); parental care: none.
IUCN Red List Status: Least Concern (LC), assessed 2012-03-01. Resilience: Medium (tm=3; tmax=5;).
References
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Scott, W.B. and E.J. Crossman (1973) Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966.
Etnier, D.A. and W.C. Starnes (1993) The fishes of Tennessee. The University of Tennessee Press, Knoxville, Tennessee, USA. (pls. check date).
Coker, G.A., C.B. Portt and C.K. Minns (2001) Morphological and ecological characteristics of Canadian freshwater fishes. Can. MS Rpt. Fish. Aquat. Sci. 2554:iv+89p.
Page, L.M. and B.M. Burr (2011) A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p.
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