No eyes; white or pink body; red mouth (from blood pigments). No jaw teeth; lips at corner of mouth thin; short lower jaw curved upwards and into mouth; snout overhangs mouth. Fused gill membranes with barely visible fold between them. Anal rays 16-17.
North America: known from 5 artesian wells penetrating San Antonio Pool of Edwards Aquifer in and near San Antonio, Bexar County, Texas, USA. Found at a depth of 305-582 m. San Antonio Artesian Wells(click on these areas to find other species found there)
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