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Gila orcuttii (Eigenmann & Eigenmann, 1890)

Arroyo chub
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drawing shows typical species in Leuciscidae.


United States (contiguous states) country information

Common names: Arroyo chub
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Malibu and San Juan creeks, and Los Angeles, San Gabriel, San Luis Rey, Santa Ana, and Santa Margarita River drainages in California. Introduced north to Santa Ynez River and Mojave (Death Valley basin) River drainage in California. Extirpated from much of its native range, but commonly found in a few streams (Ref. 86798). Also Ref. 5723. Status of threat: vulnerable. Criteria: 1,4,5 (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

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from SW Mejico to south Arizona.
  More on authors: Eigenmann & Eigenmann.

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

; agua dulce bentopelágico.   Temperate; 35°N - 32°N

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

North America: Malibu and San Juan creeks, and Los Angeles, San Gabriel, San Luis Rey, Santa Ana, and Santa Margarita River drainages in California, USA. Introduced north to Santa Ynez River and Mojave (Death Valley basin) River drainage in California.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL macho / no sexado; (Ref. 86798); edad máxima reportada: 4 años (Ref. 12193)

Short description Claves de identificación | Morfología | Morfometría

Radios blandos dorsales (total) : 8; Radios blandos anales: 7. Gila orcuttii can be distinguised by the following characters: lateral line with 48-62 scales; dorsal fin with 8 rays; anal fin with 7 rays; pharyngeal teeth 2,5-4,2; small, slightly subterminal mouth; short, rounded snout; large eye; deep body; deep caudal peduncle; gray-olive above; often a dusky gray stripe along silver side (Ref. 86798).

Biología     Glosario (por ej. epibenthic)

Inhabits sandy and muddy bottoms of flowing pools and runs of headwaters creeks and small to medium rivers. Often found in intermittent streams (Ref. 86798).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | 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)

IUCN Red List Status (Ref. 130435)

  Vulnerable, ver lista roja de la UICN (VU) (B1ab(ii,iii,v)+2ab(ii,iii,v)); Date assessed: 09 February 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Recruitments
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Life cycle
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Egg(s)
Egg developments
Larva
Dinámica larvaria
Anatomy
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Cerebros
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Nutrients
Oxygen consumptions
Tipo de natación
Swimming speeds
Visual pigment(s)
Sonidos de peces
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
Electrophoreses
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Perfiles de acuicultura
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Referencias

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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).
Nivel trófico (Ref. 69278):  2.0   ±0.2 se; based on size and trophs of closest relatives
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (tmax=4).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100).