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The Barton Springs Salamander (Eurycea sosorum) is a small (1/2" to 3" long), obligately aquatic, paedomorphic (retaining juvenile characteristics, such as gills, throughout its life) salamander that is found only in the Barton Springs segment of the Edwards Aquifer and its contributing zone.

The Jollyville Plateau Salamander (Eurycea tonkawae) is a small, brownish, aquatic salamander.   It is a member of the family, Plethodontidae, also known as the lung-less salamanders (oxygen exchange occurs entirely through their skin and/or gills in aquatic species).

The salamander management plan details the actions the City will conduct that may adversely impact the Barton Springs Salamander, and how the impact of those actions will be reduced or compensated to protect the species.