adults as a hedge against a man-made or natural event wiping out the fish in the wild. The IUCN rates this species as "Endangered". Conservation efforts include encouraging people to use less water in order to maximise water flow from the springs and to keep the rivers free from trash. References Etheostoma Freshwater fish of the United States Endemic fauna of Texas ESA endangered species Taxa named by David Starr Jordan Taxa named by Charles Henry Gilbert Fish described in 1886