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Cyprinodon tularosa, a New Cyprinodontid Fish from the Tularosa Basin, New Mexico

Robert Rush Miller and Anthony A. Echelle
The Southwestern Naturalist
Vol. 19, No. 4 (Jan. 20, 1975), pp. 365-377
DOI: 10.2307/3670395
Stable URL: http://www.jstor.org/stable/3670395
Page Count: 13
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Cyprinodon tularosa, a New Cyprinodontid Fish from the Tularosa Basin, New Mexico
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Abstract

The White Sands pupfish, Cyprinodon tularosa, is described from the Tularosa basin, New Mexico, the site of Pleistocene Lake Otero. Although that lake did not overflow, it is inferred that there was a pre-Wisconsin connection with the Rio Grande basin in order to permit entry of the pupfish into the endorheic basin. The new species, a member of the Cyprinodon variegatus complex, is evidently closest to C. bovinus of western Texas, from which it differs in certain meristic and morphometric characters (smaller scales, fewer pelvic rays, more gill rakers), female color pattern, and in the breeding colors of the male. Both species may have arisen from a C. variegatus-like ancestor during Pleistocene time.

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