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Gila nigrescens (Girard, 1856)

Chihuahua chub
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Gila nigrescens
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United States (contiguous states) country information

Common names: Chihuahua chub
Occurrence: native
Salinity: freshwater
Abundance: scarce (very unlikely) | Ref: Page, L.M. and B.M. Burr, 2011
Importance: | Ref:
Aquaculture: | Ref:
Regulations: protected | Ref: Page, L.M. and B.M. Burr, 2011
Uses: no uses
Comments: Known from Mimbres River in New Mexico (Ref. 86798). Also Ref. 3814, 5723. Status of threat: endangered; status declined since 1989. Criteria: 1,4 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Page, L.M. and B.M. Burr, 2011
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> 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

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

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).

Biologia     Glossário (ex. epibenthic)

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

Referência principal Upload your references | Referências | Coordenador | Colaboradores

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)

  Vulnerável, ver o Livro Vermelho da IUCN (VU) (B1ab(i,ii,iii,v)+2ab(i,ii,iii,v)); Date assessed: 28 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

FAO(Publication : search) | FishSource |

Mais informação

Trophic ecology
Itens alimentares
Diet compositions
Food consumptions
Food rations
Predadores
Ecology
Ecologia
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequência de comprimento
Mass conversions
Recruitments
Abundances
Life cycle
Reprodução
Maturities
Fecundities
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Egg(s)
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Larvas
Dinâmica larvar
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Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natação
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
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Human related
Aquaculture systems
Perfis para aquacultura
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Ciguatera cases
Stamps, coins, misc.
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References
Referências

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Relatórios especiais

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Fontes da internet

Aquatic Commons | BHL | Cloffa | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes(Género, Espécies) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoma, nucleotídeo) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Árvore da vida | Wikipedia(ir para, procurar) | World Records Freshwater Fishing | Registo zoológico

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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).