IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

This species was originally described as largely restricted to the Cumberland Plateau where it occurred in the Cumberland River basin in eastern Tennessee, southeastern Kentucky, and northwestern Georgia, USA (Hobbs 1989). Virginia records and upper Kentucky River drainage,records have recently been attributed to another species (Cambarus jezerinaci) (R. Thoma, pers. comm. 2009, Thoma and Fetzner 2008). This Virginia population in the South Fork Powell River of Wise County, Virginia, is morphologically similar somewhat to this species but is far separated from nominal populations of this species and has not been analyzed genetically. Therefore it is currently placed tentatively in Cambarus jezerinaci (Thoma and Fetzner 2008). Thoma and Fetzner (2008) have modified the distribution to be confined to waters of the Big South Fork Cumberland River in northern Tenenssee (and possibly southern Kentucky), and the Cumberland Plateau regions of the Tennessee River basin from the Sequatchie River to the Emory River basin. Taylor et al. (2007) have also recorded this species in Alabama.
There are 78 localities known as of March 1992. In the Cumberland Plateau it occurs in the Cumberland and Tennessee River systems in Virginia, Kentucky, and Tennessee as well as a tributary of Lookout Creek in Tennessee on the Georgia border (Bouchard 1974). In Kentucky, it is known sporadically from the Big South Fork of the Cumberland drainage, the upper Cumberland River drainage above Cumberland Falls, and upper Kentucky River drainage (Taylor and Schuster 2004). It has been recorded from Dade County, Georgia; Bell, Letcher, McCreary Counties, Kentucky; Pickens County, South Carolina; Anderson, Campbell, Claiborne, Cumberland, Hamilton, Marion, Morgan, and Rhea Counties, Tennessee; and Lee and Wise Counties, Virginia. A single USNM record exists for Dade County, Alabama (Tennessee River drainage) (Schuster et al. 2008). Peake et al. (2004) believe that this species was once more widespread than it is now due to the intolerance of the species to habitat alteration and pollution.
The Extent of Occurrence (EOO) of this species has been estimated to exceed 18,400 km2.

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Source: IUCN

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