HomeFish encyclopediaRay-finned fishesCarpsSuckersBavispe sucker Bavispe sucker (Catostomus leopoldi) Scientific name: Catostomus leopoldi Siebert & Minckley, 1986 The Bavispe sucker (Catostomus leopoldi) is a freshwater fish of the family Catostomidae. Native range: North America, Rio de Bavispe system in northwestern Mexico. Species factsScientific nameCatostomus leopoldiFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; demersalClimateTropicalDistributionNorth America: Rio de Bavispe system in northwestern Mexico.Conservation status (IUCN)Vulnerable (VU) (A1c, B1+2ac)Threat 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