Library

Resources for the Texas Coastal Ecological Services Field Office. 

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A hawksbill sea turtle, showing its distinctive tortoiseshell pattern across head, flippers, and carapace, swims above coral through bright blue water.
This collection contains documents relating to care, maintenance, and interaction with sea turtles. Including telemetry protocols, necropsy forms, etc.
Photo of a fourteen Texas fatmucket mussels resting above a sand and algae streambed on a sunny day
Eight species freshwater mussels are currently listed as endangered in Texas and one species is listed as threatened. An additional 3 species have been proposed to receive endangered species status in the state and 1 more is proposed to receive threatened status. The following documents and links...
Photo of a captive held Houston Toad in its enclosure staring through the clear plastic walls at the camera
The documents below [Updated September 21, 2020] identify survey methods and reporting guidelines to be used for conducting presence/absence surveys for Houston toads (Bufo houstonensis) under a section 10(a)(1)(A) scientific research and recovery permit. Sound clips of Houston Toad are saved as...