HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsBonytail Bonytail (Gila elegans) Scientific name: Gila elegans Baird & Girard, 1853 The Bonytail (Gila elegans) is a freshwater fish of the family Cyprinidae. BiologyInhabits flowing pools and backwaters, usually over mud or rock. Streamlined body suggests at least occasional occupation of swift runs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGila elegansFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length62.0EnvironmentFreshwater; benthopelagic; potamodromousClimateTemperateDistributionNorth America: Colorado River drainage in Wyoming, Colorado, Utah, New Mexico, Arizona and California in USA, and Mexico. Extant only in Green River in Utah and perhaps in some large impoundments of the Colorado River.Conservation status (IUCN)Endangered (EN) (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