Species group · Bony fish
WAnimals has 4 species of trout, in the family Salmonidae.
Ranges calculated from the profiles that record the figure, not from all 4.
Each one has its own full profile. This group does not replace them: it brings them together.
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
Recorded in 88 countries. The ones with the most species in the group:
Some exceptional populations, known as ferox trout, switch to an entirely fish diet and grow far larger and live longer.
From Brown Trout
It feeds on aquatic insects and their larvae, on crustaceans, and — in larger fish — on smaller fish.
From Brown Trout
Some populations are anadromous, migrating between sea and river as sea trout.
From Brown Trout
The steelhead shows a remarkable instinct for returning to its birthplace after 2 to 3 years at sea.
From Rainbow Trout
It eats insects, crustaceans, molluscs and small fish.
From Rainbow Trout
It has been widely introduced around the world for aquaculture and sport fishing.
From Rainbow Trout
It eats insects and their larvae, zooplankton, small crustaceans and fish.
From Brook Trout
It lays its eggs in a redd, a gravel nest dug out by the female.
From Brook Trout