Gila bicolor isolata Hubbs & Miller, 1972

Independence Valley tui chub



Taxonomy & Nomenclature

Synonym/s: Siphateles bicolor isolata Hubbs & Miller, 1972


Conservation Status

Possibly still extant (Rissler et al. 2001).

Last record: 3 April 1966



Nevada, USA


Biology & Ecology










Original scientific description:

Hubbs, Carl L. and Miller, Robert Rush. (1972). Diagnoses of new cyprinid fishes of isolated waters in the Great Basin of western North America. Transactions S. Diego Soc Nat Hist 17: 101-106.


Other references:

Hubbs, Clark L., Miller, Robert Rush and Hubbs, L. C. (1974). Hydrographic history and relict fishes of the north-central Great Basin. Mem. Calif. Acad. Sci. 7: 1-259.

Miller, R. R., Williams, J. D. and Williams, J. E. (1989). Extinctions of North American fishes during the past century. Fisheries 14(6): 22-38.

Rissler, P.H., G.G. Scoppettone, S. Shea, and S. Byers. 2000. Using GIS and GPS to map seasonal distribution and relative density of Independence Valley speckled dace and Independence Valley tui chub. Pages 39-40 in D. A. Hendrickson and L. T. Findley (eds.), Proceedings of the Desert Fishes Council Volume XXXII.

Rissler, P. H., Scoppettone, G. G., Shea, S. and Byers, S. (2001). Seasonal Distribution of Independence Valley speckled dace, Rhinichthys osculus lethoporus, and Independence Valley Tui Chub, Gila bicolor isolata. U.S. Geological Survey Report, Reno, NV.

Vinyard, G. (1984). A status report about the Independence Valley speckled dace Rhinichythys osculus lethoporus), Independence Valley Tui Chub (Gila bicolor isolata) and Clover Valley speckled dace (Rhinichthys osculus oligoporus); three species restricted to the northeastern portion of Nevada. Status Rept. to U. S. Fish Wildl. Serv., Reno, NV. 21 pp.


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