Summary[edit] Description: This little guy is the Caddo Mountain salamander, and is only found on cool, wet north-facing slopes in the Ouachita Mountains in Arkansas. Genetics work has been done to distinguish the range of the Caddo Mountain salamander from 4 other similar salamander species. Photo credit: Erin Leone, USFWS. Date: 7 May 2014, 17:29. Source: Caddo Mountain salamander. Author: U.S. Fish and Wildlife Service Southeast Region.