Railroad Valley, Nevada

Railroad Valley is located in central southern Nevada. All aquatic habitats are springfed. Fishes include Railroad Valley springfish (Crenichthys nevadae), and several possible tui chub subspecies (Gila bicolor ssp.). Major threats to these fishes include habitat modifications, exotic fish, and groundwater mining.
image 28KK jpeg Big Warm Spring, type locality of Railroad Valley springfish (Crenichthys nevadae).
Peter J. Unmack photo, 1994

image 19KK jpeg An assortment of exotic fish occur in Big Warm Spring. These include channel catfish, carp, mollies, guppies, and probably gambusia. Is it any wonder Railroad Valley springfish (Crenichthys nevadae) are now rare in this spring?
Peter J. Unmack photo, 1994

image 37KK jpeg Little Warm Springs, habitat for Railroad Valley springfish (Crenichthys nevadae).
Peter J. Unmack photo, 1994

image 26KK jpeg Modifed outflow of Little Warm Springs, The spring outflow can easily be diverted from channel to channel with resulting dessication of whatever lives in the channel.
Peter J. Unmack photo, 1994

image 21KK jpeg Chimney Hot Springs, a refuge habitat for Railroad Valley springfish (Crenichthys nevadae).
Peter J. Unmack photo, 1994

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This page last modified:  09 December 2003