Brown trout (Salmo trutta fario)

Scientific name: Salmo trutta fario Linnaeus, 1758

The Brown trout (Salmo trutta fario) is a freshwater fish of the family Salmonidae. In the aquarium it needs water at 2–16°C (36–61°F).

Brown trout care at a glance

Temperature
2–16°C (36–61°F)

Biology

Repopulation of stocks usual in Europe. Original population still exists in the island of Corse in the Mediterranean Sea. Often found in fast-flowing streams of mountain and sub-mountainous regions and sometimes even valleys. Feed on benthic invertebrates, insect larvae, aerial insects (in rivers) and mollusks. In addition, adults consume fish and frogs. Utilized fresh and smoked; eaten fried, broiled, microwaved and baked

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Salmo trutta fario
Family
Salmonidae (Salmonids)
Order
Salmoniformes (Salmons)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
100.0
Common length
20.0
Environment
Marine; freshwater; brackish; demersal; anadromous
Climate
Temperate
Distribution
Northeast Atlantic: southward to southern Norway; Iceland; southern Greenland. Non-migratory and land-locked relict populations south to the British Isles and central France. Reported from Greece, Estonia and Argentina. Elsewhere circumpolar. Likely to benefit from environmental regulation passed in France on 8/12/88. Considered a synonym of Salmo trutta trutta by Kottelat
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial; aquaculture: commercial; gamefish: yes
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-5; tmax=8; K=0.21; Fec=1,000)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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