HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsRio Grande chub Rio Grande chub (Gila pandora) Scientific name: Gila pandora Cope, 1872 The Rio Grande chub (Gila pandora) is a freshwater fish of the family Cyprinidae. BiologyInhabits flowing pools of headwaters, creeks and small rivers, usually near brush. Mid-water carnivore; feeds on zooplankton, aquatic and terrestrial insects, crustaceans, juvenile fish, and a limited amount of detritus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGila pandoraFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length18.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: Upper Rio Grande and Pecos River systems in Colorado and New Mexico, USA; isolated populations in Davis Mountains (in Pecos River system) in Texas, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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