HomeFreshwater aquarium fishOther freshwater fishBull trout Bull trout (Salvelinus confluentus) Scientific name: Salvelinus confluentus Suckley, 1859 The Bull trout (Salvelinus confluentus) is a freshwater fish of the family Salmonidae. BiologyOccurs in deep pools of large cold rivers and lakes. Most common in high mountainous areas where snowfields and glaciers are present. Rarely anadromous. Lacustrine form matures in lakes and spawns in tributaries, where young reside for one to three years.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSalvelinus confluentusFamilySalmonidae (Salmonids)OrderSalmoniformes (Salmons)ClassActinopterygii (Ray-finned fishes)Maximum length103Common length62.5EnvironmentMarine; freshwater; brackish; benthopelagic; anadromousClimateTemperateDistributionCoastal and mountain streams of Arctic, Pacific, and Missouri River drainages from extreme southern Yukon in Canada to headwaters of Columbia River drainage in northern Nevada, USA, and McCloud River drainage in northern California, USA.Conservation status (IUCN)Vulnerable (VU) (A2e)Threat to humansHarmlessUsesGamefish: yes; aquarium: public aquariumsResilienceVery Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.) More other freshwater fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026