Gila nigra, Headwater chub

Gila nigra Cope, 1875

Headwater chub
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Gila nigra
Picture by Sandra J. Raredon / Smithsonian Institution, NMNH, Div. of Fishes

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from Southwest New Mexico westward across south Arizona into the Colorado River.
More on author: Cope.

Issue
Junior synonym of Gila robusta accoreding to Ref. 133180, 133181.

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

Freshwater; benthopelagic. Temperate

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: Gila River system (Colorado River drainage) in New Mexico and Arizona, USA.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL male/unsexed; (Ref. 86798)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 8; Anal soft rays: 8. Previously thought to be of hybrid origin and similar to parental Gila robusta and G. intermedia. Dorsal and anal fins with 8 rays; lateral line with 71-90 scales, usually fewer than 80; first gill arch with 10 or more rakers; and often with diffuse stripes on dark gray or brown side, dark fin membranes (Ref. 86798).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

Inhabits pools and undercut banks of headwaters, creeks and small rivers. Maximum length is presumably about 38 cm TL (Ref. 86798).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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: Version 2025-2)

  Near Threatened (NT) ; Date assessed: 09 February 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Abundance
Life cycle
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Maturity/Gills rel.
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References

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |