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Crenichthys nevadae

Taxonomy 
Scientific Name:Crenichthys nevadae
Common name:Railroad Valley springfish
Family:Goodeidae Minor Group:Fish Major Group:Vertebrate Animal
Rank and Status     
Global Rank:G2 Endemic:Yes NNHP Track Status:At-Risk List
Subnational (State) Rank:S2 Sand Dunes:No USESA Status:LT: Listed threatened
Native Status:Native Wetland:Yes
Other Agency Status Status Last Updated Status Comments
Bureau of Land Management - Nevada Sensitive BLM 2011 list
US Forest Service - Region 4 (Intermountain) Threatened USFS list, Jan 2015 update
State of Nevada Protected Threatened Fish NAC 503.065.3
Nevada Wildlife Action Plan - 2012 Species of Conservation Priority
Nevada Wildlife Action Plan - 2005 Species of Conservation Priority
CCVI Score Presumed Stable Conf. VH.
Distribution (NV Counties)

Status: Predicted or probable

Mineral

Status: Confident or certain

Nye
Summary Occurrence Data
Occurrence Count:17
Total Observed Area (hectares):Not Available
Maximum Known Elevation (m):1707
Minimum Known Elevation (m):1426
Links
Crenichthys nevadae data at NatureServe
Crenichthys nevadae photos and data at Encyclopedia of Life
Character Abstract
Identification Comments:
Subspecies Comments:
Food Habits:Diet predominantly consists of invertebrates in Railroad Valley, with gastropods most important in June. These fish also eat substantial amounts of plant material, especially filamentous algae (Sigler and Sigler 1987).
Phenology Comments:
Reproduction Comments:
Migration Mobility:
Habitat Comments:Railroad Valley springfish inhabit warm spring pools, outflow streams, and adjacent marshes. They are able to tolerate high temperatures and low dissolved oxygen. Duckwater and Lockes Ranch springs have outflow temperatures of 32.3 and 37.3°C and minimum oxygen concentrations of 0.5 and 0.9 ppm, respectively (Lee et al. 1980).
Ecology comments:Historically occurred in four springs (Big, North, Hay Corral, and Reynolds) near Lockes Ranch and two springs (Big Warm and Little Warm) on the Duckwater Shoshone Indian Reservation, and in the outflow systems associated with these spring complexes. The Big Warm Spring population has been recently extirpated but efforts are currently underway to re-establish it. Three introduced populations occur in Nye and Mineral counties outside of historic range but are not actively managed as species refuges.
Version Date:
Images:
several in aquarium
Photographer: Glenn Clemmer, Nevada Natural Heritage Program
Photo Date:
habitat
Photographer: Glenn Clemmer, Nevada Natural Heritage Program
Photo Date: