San Marcos Salamander
(Eurycea nana)
The San Marcos Salamander occurs only in Spring Lake and an adjacent downstream portion of the upper San Marcos River. Moss and algae provide hiding places for the salamanders and habitat for small animals that serve as their food. The dark reddish-brown color of the algae almost perfectly matches the dark color on the back of the San Marcos Salamander. These salamanders do not occur where the bottom is muddy or bare. Clean, clear, flowing water of constant temperature is required for suitable habitat.
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