HomeFish encyclopediaRay-finned fishesSalmonsSalmonidsGolden trout Golden trout (Oncorhynchus aguabonita) Scientific name: Oncorhynchus aguabonita Jordan, 1892 The Golden trout (Oncorhynchus aguabonita) is a freshwater fish of the family Salmonidae. BiologyInhabits clear, cool headwaters, creeks, and lakes at elevations above 2100 m. Oviparous. Eggs are buried in unguarded nests.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOncorhynchus aguabonitaFamilySalmonidae (Salmonids)OrderSalmoniformes (Salmons)ClassActinopterygii (Ray-finned fishes)Maximum length71.0Common length29.8EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Upper Kern River basin, Tulare and Kern counties in California, USA. Two recognized subspecies: Oncorhynchus aguabonita gilberti in Main and Little Kern rivers; Oncorhynchus aguabonita aguabonita in South Fork Kern River.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=7) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026