Cuatro Cienegas shiner
The Cuatro Cienegas shiner is a species of freshwater ray-finned fish in the family Leuciscidae, the shiners, daces and minnows.
Distribution
The small fish is endemic to the springs and marshes of the Cuatro Ciénegas and Cuatrociénegas Municipality area of Coahuila state in northeastern Mexico.It is an Endangered species.