Common names from other countries
>
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from SW Mejico to south Arizona.
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Subtropical; 33°N - 30°N
North America: Mimbres River in New Mexico, USA; Lagunas Guzman and Bustillos, Chihuahua in Mexico.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm TL macho/indeterminado; (Ref. 86798)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 9; Raios anais moles: 8. Gila nigrescens can be distinguished by the following characters: lateral line with 67-78 scales; dorsal fin with 9 rays; anal fin with 8 rays; 1st gill arch with 9014 rakers; pharyngeal teeth 2,5-4,2; deep, compressed body; long, fairly slender caudal peduncle; terminal mouth on rounded snout; olive-gray above; silver side; clear to slate gray fins; and breeding individuals with red-orange mouth and paired and anal-fin bases (Ref. 86798).
Inhabits flowing pools of creeks and small rivers, usually near brush or other cover (Ref. 86798).
Life cycle and mating behavior
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.2 ±0.2 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).