HomeFish encyclopediaRay-finned fishesCarpsSuckersNazas sucker Nazas sucker (Catostomus nebuliferus) Scientific name: Catostomus nebuliferus Garman, 1881 The Nazas sucker (Catostomus nebuliferus) is a freshwater fish of the family Catostomidae. Native range: North America, Mexico. Species factsScientific nameCatostomus nebuliferusFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; pelagicClimateTropicalDistributionNorth America: Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026