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> Cypriniformes (Carps) > Leuciscidae (Minnows) > Laviniinae
Etymology: Chrosomus: Chrosomus meaning color (Ref. 1998).
More on author: Cope.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser demersal. Temperate; 38°N - 36°N

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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.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 7.2 cm TL Männchen/unbestimmt; (Ref. 86798); common length : 5.5 cm TL Männchen/unbestimmt; (Ref. 12193)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

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).

Inhabits rocky pools and runs of headwaters, creeks and small to medium rivers (Ref. 86798).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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. (Ref. 86798)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 03 November 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.0 ±0.00 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Chrosomus oreas Cope, 1868