The Independence Valley tui chub (''Siphateles bicolor isolata'') is a subspecies of

tui chub The tui chub (''Siphateles bicolor'') is a cyprinid fish native to western North America. Widespread in many areas, it is an important food source for other fish, including the cutthroat trout. Range The tui chub's range includes the Lahont ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to the drainage of the Independence Valley in

Elko County Elko County is a county in the northeastern corner of Nevada, United States. As of the 2020 census, the population was 53,702. Its county seat is Elko. The county was established on March 5, 1869, from Lander County. Elko County is the fourth ...

, northern

Nevada Nevada ( ; ) is a state in the Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th-most extensive, ...

. Described as "abundant" when first collected and identified in 1965, it was considered extinct within less than a decade due to the introduction of sunfish,

bass Bass or Basses may refer to: Fish * Bass (fish), various saltwater and freshwater species Music * Bass (sound), describing low-frequency sound or one of several instruments in the bass range: ** Bass (instrument), including: ** Acoustic bass gu ...

, and

carp Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. While carp is consumed in many parts of the world, they are generally considered an invasive species in parts of ...

to the previously isolated watershed. However, it had been rediscovered by the year 2000, although it remains highly threatened.Jelks, H.L., S.J. Walsh, N.M. Burkhead, S. Contreras-Balderas, E. Díaz-Pardo, D.A. Hendrickson, J. Lyons, N.E. Mandrak, F. McCormick, J.S. Nelson, S.P. Platania, B.A. Porter, C.B. Renaud, J.J. Schmitter-Soto, E.B. Taylor and M.L. Warren Jr. (2008)
Conservation status of imperiled North American freshwater and diadromous fishes
Fisheries 33(8): 372-407.

References

Chubs (fish) Fish described in 1972 Fish of the Western United States Freshwater fish of the United States Fauna of the Southwestern United States Endemic fauna of the United States Elko County, Nevada Natural history of Nevada Siphateles {{Leuciscinae-stub