title: Cuatro Cienegas pupfish
text: # Cuatro Cienegas pupfish
  
  Cuatro Cienegas pupfish (Cyprinodon bifasciatus) is a species of fish in the Cyprinodon genus of the family Cyprinodontidae.
  
  It is endemic to the Cuatro Cienegas springs in Coahuila state, northeastern Mexico.
  
  