Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Temperate; 38°N - 36°N
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.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 7.2 cm TL macho/indeterminado; (Ref. 86798); common length : 5.5 cm TL macho/indeterminado; (Ref. 12193)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
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).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
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)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 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).
Nível Trófico (Ref.
69278): 2.0 ±0.00 se; based on food items.
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
