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Species on Station
The Center maintains refugium for four federally-endangered and two threatened species: Texas wild-rice, Texas blind salamanders, fountain darters, Comal Springs riffle beetles, San Marcos salamanders and the Devils River minnow.
The Center also works with the endangered Comal Springs dryopid beetle, Peck's cave amphipod, and the Barton Springs salamander.
Increased pressure on the Edwards Aquifer from area growth and development, increased water use, natural phenomena such as drought, and the introduction of many invasive plants and animals has seriously affected many of the species now studied at the Center.
Species at the San Marcos Aquatic Resource Center
Common Name |
Scientific Name |
Held for |
Fish |
Devils River minnow |
Dionda diaboli |
Threatened |
Fountain darter |
Etheostoma fonticola |
Endangered |
Amphibians |
Barton Springs salamander |
Eurycea sosorum |
Endangered |
Comal Springs salamander |
Eurycea neotenes |
Endangered |
San Marcos salamander |
Eurycea nana |
Threatened |
Texas blind salamander |
Eurycea rathbuni |
Endangered |
Plants |
American willow |
Justicia americana |
Restoration |
Arrowhead |
Sagittaria platyphylla |
Restoration |
Texas wild rice |
Zizania texana |
Endangered |
Water clover |
Marsilea sp. |
Restoration |
Water pennywort |
Hydrocotyle umbellate |
Restoration |
Water primrose |
Ludwigia repens |
Restoration |
Yellow stargrass |
Heteranthera dubia |
Restoration |
Mollusks |
Balcones Elimia |
Elimia comalensis |
Candidate |
Golden Orb |
Quadrula Aurea |
Candidate |
Phantom Lake cave snail |
Cochliopa texana |
Candidate |
Phantom Spring tryonia |
Tryonia cheatumi |
Candidate |
Smooth pimpleback |
Quadrula houstonensis |
Candidate |
Texas Fatmucket mussel |
Lampsilis Bracteata |
Threatened |
Texas fawnsfoot |
Truncilla macrodon |
Candidate |
Texas pimpleback |
Quadrula petrina |
Candidate |
Crustaceans |
Peck's cave amphipod |
Stygobromus pecki |
Endangered |
Insects |
Comal Springs dryopid beetle |
Heterelmis comalensis |
Endangered |
Comal Springs riffle beetle |
Heterelmis comalensis |
Endangered |
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