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

Ictiobus, also known as buffalofishes, buffalofish or simply buffalo, is a genus of freshwater fish native to North America, specifically the United States, Canada, Mexico, and Guatemala. They are the