Learning Zone Pages Test – Edwards Aquifer Authority

Learning Zone Pages Test

Watch: Facts about the Texas Blind Salamander (4:26 mins)

Kristy Kollus, EAA Environmental Scientist for the Edwards Aquifer Habitat Conservation Plan (EAHCP), discusses some facts about the endangered, Texas Blind Salamander.

A fully grown Eurycea rathbuni. The average adult length is approximately five inches.
Scientists inspect a female Texas Blind Salamander to see if she is carrying eggs.
The life cycle of the Texas Blind Salamander (Eurycea rathbuni) begins as an egg.



The section of the Edwards Aquifer where the water pressure brings water to the surface naturally in springs and some wells.

Also called the Drainage Zone, the watersheds in this area drain into streams or areas where water is quickly absorbed into the Edwards Aquifer.

The part of the Edwards Aquifer with sinkholes and fractures where rainwater easily enters and refills the aquifer.

Water that is stored underneath the earth’s surface.

An underground resource of water, like the Edwards Aquifer in South Texas.

Watch: Ezell’s Cave and The Search for the Blind Monster! (40 mins)
Created by naturalist Joe Furman, this award winning documentary goes in search of the rare Texas Blind Salamander in the wild.
Watch: Discovering the Texas Blind Salamander (0:39 secs)
The Texas Blind Salamander is of considerable scientific interest due to its uniqueness─its only known habitat is the Edwards Aquifer in the San Marcos area. The Texas Blind Salamander is listed as endangered by USFWS and the Texas Parks & Wildlife Department.


In a continued response to Covid-19, the EAA will remain working in a telecommuting manner until further notice.
Please click here if you are a customer or if you need to contact someone at the EAA.