Author: Fowler, 1974
Comments: Inhabits rivers and streams in clear, cold, well oxygenated water and with slow to fast current. Preys on invertebrates, fish and amphibians.  Spawns in late December on gravel or coarse sand.  Several populations represent a significant proportion of hybrids with <i>Salmo trutta</i>
  produced in aquaculture and stocking.  Attains a maximum size of up to about 80 cm SL (Ref. 59043).