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Federally Listed, Proposed and Candidate Species
Kendall Warm Springs Dace
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Potential Distribution in Wyoming by County
Counties where Kendall Warm Springs Dace is known or believed to occur.
Sublette County | Teton County
- For Species Lists, please use the IPaC System
Section 7 Range
If an action is proposed within the Section 7 Range, potential effects to the species and habitat should be considered. Project proponents are encouraged to contact the FWS Wyoming Ecological Services Office.
Download Section 7 Range GIS Data or Section 7 Range Google Earth layers
Species Information
The Kendall Warm Springs dace (Rhinichthys osculus thermalis) is listed as endangered under the Act. This species only occurs in Kendall Warm Springs--a series of small thermal springs and seeps approximately 984 feet in length, which feed into the Green River in Sublette County, Wyoming. A 10-foot high waterfall forms a barrier to fish movement into Kendall Warm Springs from the Green River. Adult Kendall Warm Springs dace average in size from 1 to 2 inches. The potential threats to the Kendall Warm Springs dace include: (1) water table lowering or contamination in the area surrounding the Kendall Warm Springs, (2) potential collection of individuals, (3) introduction of exotic aquatic species into Kendall Warm Springs, and (4) destruction of riparian streamside vegetation or in-stream habitat. Management objectives for the recovery of this species are to maintain the existing population, begin a captive breeding program, and protect the dace’s habitat.
