Tui chub (Gila bicolor)

Scientific name: Gila bicolor Girard, 1856

The Tui chub (Gila bicolor) is a freshwater fish of the family Cyprinidae.

Biology

Inhabits lakes and quiet, vegetated, mud or sand-bottomed pools of headwaters, creeks and small to large rivers. Distinct subspecies: Gila bicolor snyderi (protected) in Owens River, California; Gila bicolor mohavensis (protected) in Mojave River, California; Gila bicolor bicolor in Klamath River system in Oregon and California; Gila bicolor obesa, a stream and spring-inhabiting form and G. b. pectinifer, a lake-inhabiting form, both in Lake Lahontan basin in Nevada.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Gila bicolor
Family
Cyprinidae (Minnows or carps)
Order
Cypriniformes (Carps)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
45.0
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
North America: Columbia River drainage in Washington, Oregon and Idaho, USA south in Klamath and upper Pit River (in Sacramento River drainage) and interior drainages of Nevada and California to Mohave River in southern California, USA. There are distinct subspecies, one described by Bills and Bond 1980 as Gila bicolor vaccaceps.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.19-0.33)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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