Notropis simus simus Cope, 1875

Rio Grande bluntnose shiner



Taxonomy & Nomenclature

Synonym/s: Alburnellus simus Cope, 1875


Conservation Status

Extinct (Burkhead, 2012)

Last record: 28 July 1964 (Miller et al. 1989:27)

IUCN RedList status: Extinct


This species was apparently last collected in 1964 (Gimenez Dixon, 1996). Estimated date of extinction: 1964 (Burkhead, 2012).



Texas and New Mexico, USA; Mexico


Biology & Ecology










Original scientific description:

Cope, E. D.  and H. C. Yarrow. (1875). Report upon the collections of fishes made in portions of Nevada, Utah, California, Colorado, New Mexico, and Arizona, during the years 1871, 1872, 1873, and 1874. Engineer Department, United States Army, Report upon the Geographical and Geological Explorations and Surveys west of the one hundredth Meridian v. 5 (Zoology) Chapter 6: 635-703, Pls. 26-32.


Other references:

Burkhead, Noel M. (2012). Extinction Rates in North American Freshwater Fishes, 1900–2010. BioScience 62(9): 798-808.

Chernoff, Barry, Miller, Robert Rush and Gilbert, Carter R. (1982). Notropis orca and Notropis simus, cyprinid fishes from the American southwest, with description of a new subspecies. Occasional Papers of the Museum of Zoology, University of Michigan 698: 1-49.

Gimenez Dixon, M. (1996). Notropis simus. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. ( Downloaded on 12 December 2010.

Jelks, Howard L., Walsh, Stephen J., Burkhead, Noel M., Contreras-Balderas, Salvador, Díaz-Pardo, Edmundo, Hendrickson, Dean A., Lyons, J., Mandrak, Nicholas E., McCormick, Frank, Nelson, Joseph F., Platania, Steven P., Porter, Brady A., Renaud, Claude B., Schmitter-Soto, Juan Jacabo, Taylor, Eric B. and Warren, Melvin L. Jr. (2008). Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8): 372-407.

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.

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott. (1991). Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p.


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