Claim: The Catostomus discobolus, or "Bluehead sucker" is in the Catostomidea family of freshwater fishes mostly found in North America, and are a source of food for indigenous Americans across the continent.
Evidence: The bluehead sucker (Catostomus discobolus) is endemic to the intermountain Western US. Family: Catostomidae The Catostomidae are the suckers of the order Cypriniformes, with about 78 species in this family of freshwater fishes. Suckers were an important source of food for Indigenous Americans across the continent.