Taxonomy of Chubs (Teleostei, Cyprinidae, Genus Gila) in the American Southwest with Comments on Conservation

W. L. Minckley; Bruce D. DeMarais

doi:10.1643/0045-8511(2000)2000[0251:TOCTCG]2.0.CO;2

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W. L. Minckley,^1,2 Bruce D. DeMarais^1,3

¹Department of Biology, Arizona State University, Tempe, Arizona 85287.
². Send reprint request to WLM. w.minckley@asu.edu
³Present address: Department of Biology, University of Puget Sound, Tacoma, Washington 98416.

Abstract

Chubs of the Gila River basin have been variously classified as nominal species, subspecies of Gila robusta, or a “complex.” Three full species, robusta, intermedia, and nigra are here recognized, the last possibly arising through more than one hybrization event between robusta and intermedia. Following resolution of a nomenclatural problem, G. nigra is characterized in a key for species identification. Listing under the Endangered Species Act is suggested for all species of Gila in the Colorado River basin.

The American Society of Ichthyologists and Herpetologists

Citation Download Citation

W. L. Minckley and Bruce D. DeMarais "Taxonomy of Chubs (Teleostei, Cyprinidae, Genus Gila) in the American Southwest with Comments on Conservation," Copeia 2000(1), 251-256, (1 January 2000). https://doi.org/10.1643/0045-8511(2000)2000[0251:TOCTCG]2.0.CO;2

Accepted: 7 May 1999; Published: 1 January 2000

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