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| Research Pictures: |
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| The headwaters of the San Marcos River, Texas (Spring Lake) is a crystal-clear, aquifer-fed, thermostable habitat. Eurycea nana, along with numerous other species, is endemic to this system. Many endemics here are federally listed. |
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| Underwater footage of just a few of the many centrarchid predators (native and non-native) found in Spring Lake. |
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| Eurycea nana aggregate often in captiviity and are commonly found with conspecifics in the wild. (Photo courtesy of Maria Thaker) |
| Undergraduate Researchers: Reynaldo (Ray) Gonzales and Elizabeth (Liz) Vanderwerken |
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| Ray and Liz stomach pumping an anesthetized largemouth bass (Micropterus salmoides). By examing the gut content we get a better idea of what different species are eating. |
| Liz in "the cave" testing predator responses of 2nd generation, captive-reared Eurycea nana. |
| Ray sexing a salamander after a trial. |
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| F2 larvae of Eurycea nana (future test subjects) ready to hatch at the SMNFTC. |
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| My testing aquaria and testing cave at SMNFHTC. |
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| Eurycea nana spend much of the day hiding. (Photo courtesy of Maria Thaker) |
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