Peck’s Cave Amphipod - Edwards Aquifer Authority

Peck’s Cave Amphipod

ESA Status: Endangered Species

Description: Eyeless and lacking pigment.

Size: Approximately one-eighth inch long.

Habitat: Comal Springs aquatic ecosystem. Primary habitat lies within the aquifer in permanent darkness. It has been collected at the Comal Springs and Hueco Springs orifices and in the Panther Canyon monitoring well, that is drilled into the Edwards Aquifer. When found outside of the aquifer, Peck’s Cave amphipods are typically found in the crevices of rocks and in the gravel near spring orifices.