San Marcos Salamander

Eurycea nana

The San Marcos Salamander is a federally threatened cave-adapted salamander found only in the San Marcos Springs in Texas. It is neotenic, retaining gills throughout its life, and requires constant spring flow to survive.

Habitat

Spring outflows of San Marcos Springs in central Texas exclusively

Diet

Small aquatic invertebrates and detritus

How common

Rare

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