Species group · Bony fish
Trout
WAnimals has 4 species of trout, all in the family Salmonidae.
- 4 species
- 1 family
- 88 countries
- 109 parks
- Weight
- 300 g – 25.9 kg
- Length
- 18 cm – 1.4 m
- Lifespan
- 5 – 40 years
Ranges calculated from the entries that record the figure, not from all 4.
All 4 species of trout on WAnimals
Each one has its own full entry. This group does not replace them: it brings them together.
Conservation status
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
See the global conservation statusWhere they live
Recorded in 88 countries. The ones with the most species in the group:
Where to see them
- Abisko2 species
- Femundsmarka2 species
- Fulufjallet2 species
- Gros Morne2 species
- Hardangervidda2 species
- Jotunheimen2 species
- Thingvellir (Þingvellir)2 species
- Vatnajokull2 species
- Acadia1 species
- Anticosti1 species
- Assateague Island1 species
- Aulavik1 species
- Blue Lake (Nelson Lakes)diving
- Fathom Five National Marine Park (Tobermory)diving
- Fisura de Silfradiving
- Isle Royale National Parkdiving
- Loch Nessdiving
- Lofoten (orcas)diving
Did you know…
Some exceptional populations, known as ferox trout, switch to an entirely fish diet and grow far larger and live far 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 the 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