The Yaqui sucker is a species of ray-finned fish in the family Catostomidae. It is found in the Aridoamerica region of northern Mexico and south-western United States. Catostomus bernardini or Yaqui s

The Catostomidae are the suckers of the order Cypriniformes, with about 78 species in this family of freshwater fishes. The Catostomidae are almost exclusively native to North America. The only except