White River spinedace

The White River spinedace (Lepidomeda albivallis) is a critically endangered cyprinid fish of Nevada, occurring only in the White River in the southeastern part of the state.

White River spinedace
Conservation status
Critically Endangered  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Family:	Cyprinidae
Subfamily:	Leuciscinae
Genus:	Lepidomeda
Species:	L. albivallis
Binomial name
Lepidomeda albivallis R. R. Miller & C. L. Hubbs, 1960

This spindace ranges from green to olive above, a brassy silver on the sides, becoming a silvery white underneath. The sides may also have a pattern of faint sooty patches. Dorsal and caudal fins are shades of brown, ranging from olive brown to a pinkish brown; the rays tend to be olive with the membranes between being transparent with a rosy cast. Pectoral fins are yellowish, while the pelvic and anal fins have white rays with red-orange membranes. The dorsal fin has seven rays, the anal fin has eight rays, and the pelvic fins usually seven. Size ranges up to 15 cm.

The range is limited to a single cool spring and its overflow area in the upper pluvial White River.

See also

• Fauna of Nevada

References

• NatureServe (2014). "Lepidomeda albivallis". IUCN Red List of Threatened Species. 2014: e.T11576A18234234. doi:10.2305/IUCN.UK.2014-3.RLTS.T11576A18234234.en. Retrieved 12 November 2021. Listed as Critically Endangered (CR A1bce v2.3)
• "Lepidomeda albivallis". Integrated Taxonomic Information System. Retrieved 18 April 2006.
• William F. Sigler and John W. Sigler, Fishes of the Great Basin (Reno: University of Nevada Press, 1987), pp. 185–186
• Froese, Rainer; Pauly, Daniel (eds.). "Lepidomeda albivallis". FishBase. April 2006 version.