The Hell Hollow slender salamander (Batrachoseps diabolicus) is a species of salamander in the family Plethodontidae. It is endemic to California, in Mariposa County in western United States. Distribution This salamander is endemic to the watersheds of the Merced River through to the American River, at elevations below , on the western slope of the Sierra Nevada. Conservation The Hell Hollow slender salamander is an IUCN Red List Vulnerable species. References External links IUCN: all species searchpage Slender salamanders Salamander Salamander Fauna of the Sierra Nevada (United States) Yosemite National Park Merced County, California Taxonomy articles created by Polbot Amphibians described in 1998