Chrosomus oreas Cope, 1868
Mountain redbelly dace
photo by Seelig, C.

Family:  Cyprinidae (Minnows or carps), subfamily: Leuciscinae
Max. size:  7.2 cm TL (male/unsexed)
Environment:  demersal
Distribution:  North America: Mountain and Piedmont regions of Atlantic Slope from Shenandoah River (Potomac River drainage) in Virginia to Neuse River drainage in North Carolina, USA; upper New River drainage in West Virginia, Virginia and North Carolina, USA. Introduced into the upper Holston River system in Virginia, and Big Sandy River system in Kentucky.
Diagnosis:  Chrosomus oreas can be distinguished by the possession of the following characters: black stripe along side broken under dorsal fin; large black spots in row along back and along upper side; 64-81 scales on lateral line; pharyngeal 0,5-5,0; snout moderately pointed; mouth slightly subterminal; coloration consists of olive to green-gold above, silver white to red below, bright red below (including lower half of opercle), behind opercle, and at base of dorsal fin in large males, bright silver pectoral and pelvic fin bases, black chin and breast, and yellow fins (Ref. 86798).
Biology:  Inhabits rocky pools and runs of headwaters, creeks and small to medium rivers (Ref. 86798).
IUCN Red List Status: Least Concern (LC); Date assessed: 03 November 2011 Ref. (119314)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 01.05.91
Modified by: Torres, Armi G. - 16.09.15
Checked by: Torres, Armi G. - 12.05.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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