The Jollyville Plateau salamander (Eurycea tonkawae) is a species of salamander

Salamander

Salamander is a common name of approximately 500 species of amphibians. They are typically characterized by a superficially lizard-like appearance, with their slender bodies, short noses, and long tails. All known fossils and extinct species fall under the order Caudata, while sometimes the extant...

 in the Plethodontidae family. It is also known as the Tonkawa Springs salamander.
It is endemic to Travis and Williamson counties, Texas, United States

United States

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. This species is perrenibranchiate, retaining its gills throughout life.

Eurycea tonkawae is the sister taxon to E. naufragia and E. chisholmensis, two other endemic perrenibranchiate central Texas salamanders.

Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

s are freshwater spring

Spring (hydrosphere)

A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...

s, spring runs, and wet caves of the Buttercup karst system. Cave dwelling E. tonkawae may represent a distinct species, however further work is needed to clarify their taxonomic status.

Conservation status

Eurycea tonkawae is threatened by habitat loss and habitat degradation due to rapid urban growth. During a 2008-2009 drought, the population of the salamander increased, while the body size decreased.