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Salmo trutta_lacustris Linnaeus, 1758
Life   Vertebrata   Fish   Salmonidae   Salmo

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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Salmo trutta Linnaeus , 1758

Sea trout Add your observation in Fish Watcher
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Salmo trutta   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Salmo: Latin, salmo, Plinius = salmon (Ref. 45335 ) ;   trutta: trutta is a Latin name for trout (Ref. 10294 ) .  More on author: Linnaeus .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; pelagic-neritic; anadromous (Ref. 51243 ); depth range 0 - 28 m (Ref. 101587 ), usually 1 - 2 m (Ref. 101587 ).   Subtropical; 18°C - 24°C (Ref. 12741 ); 71°N - 34°N, 25°W - 57°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Europe and Asia: Atlantic, North, White and Baltic Sea basins, from Spain to Chosha Bay (Russia). Found in Iceland and northernmost rivers of Great Britain and Scandinavia. In Rhône drainage, native only to Lake Geneva basin, which it entered after last glaciation. Native to upper Danube and Volga drainages. Introduced widely. Several countries report adverse ecological impact after introduction.

Length at first maturity / Size / Weight / Age

Maturity: L m 19.3 , range 1 - 600 cm
Max length : 140 cm SL male/unsexed; (Ref. 682 ); common length : 72.0 cm TL male/unsexed; (Ref. 3397 ); max. published weight: 50.0 kg (Ref. 682 ); max. reported age: 38 years (Ref. 32682 )

Short description Morphology | Morphometrics

Dorsal spines (total): 3 - 4; Dorsal soft rays (total): 10-15; Anal spines : 3-4; Anal soft rays : 9 - 14; Vertebrae : 57 - 59. Fusiform body (Ref. 51442 ). Head little and pointed (Ref. 51442 ). Mouth large, extending mostly after the eye and has well developed teeth (Ref. 51442 ). Teeth on shaft of vomer numerous and strongly developed (Ref. 7251 ). Caudal fin with 18-19 rays (Ref. 2196 ). Caudal peduncle thick and rounded (Ref. 51442 ). Little scales (Ref. 51442 ). Body is grey-blue colored with numerous spots, also below the lateral line (Ref. 51442 ). Blackish colored on upper part of body, usually orange on sides, surrounded by pale halos. Adipose fin with red margin.

Biology     Glossary (e.g. epibenthic)

Found in streams, ponds, rivers and lakes (Ref. 5951 ). Individuals spend 1 to 5 years in fresh water and 6 months to 5 years in salt water (Ref. 51442 ). Juveniles mature in 3-4 years (Ref. 6885 ). Lacustrine populations undertake migration to tributaries and lake outlets to spawn, rarely spawning on stone, wave-washed lake shores. Spawns in rivers and streams with swift current, usually characterized by downward movement of water intro gravel (Ref. 59043 ). Spawning takes place normally more than one time (Ref. 51442 ). They prefer cold, well-oxygenated upland waters although their tolerance limits are lower than those of rainbow trout and favors large streams in the mountainous areas with adequate cover in the form of submerged rocks, undercut banks, and overhanging vegetation (Ref. 6465 ). Life history and spawning behavior is similar to the salmon Salmo salar (Ref. 51442 ). Each female produces about 10.000 eggs (Ref. 35388 , Ref. 51442 ). Mainly diurnal (Ref. 682 ). Sea and lake trouts forage in pelagic and littoral habitats, while sea trouts mainly close to coast, not very far from estuary of natal river (Ref. 59043 ). Juveniles feed mainly on aquatic and terrestrial insects; adults on mollusks, crustaceans and small fish (Ref. 26523 , Ref. 51442 ). Marketed fresh and smoked; eaten fried, broiled, boiled, cooked in microwave, and baked (Ref. 9988 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Female covers the eggs by restirring the sand and fine gravel (Ref. 9696 ). After hatching at 12 mm, larval brown trout remain in the gravel for 2-3 weeks until they are about 25 mm long, when they emerge to begin feeding in the water column. Brown trout are territorial and begin establishing territories as juveniles. Juvenile trout from lake populations move from their natal inlets to lakes during the first 2 years of life (Ref. 6390 ).

Main reference Upload your references | References | Coordinator | Collaborators

Svetovidov, A.N. , 1984. Salmonidae. p. 373-385. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. vol. 1. (Ref. 4779 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 05 March 2010

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Potential pest




Human uses

Fisheries: commercial; aquaculture: commercial; gamefish: yes FAO(Aquaculture: production ; fisheries: production ; publication : search ) | FIRMS (Stock assessments) | FishSource | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

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Download XML

Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | DORIS | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 6.5 - 15.8, mean 10.1 (based on 918 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00851 (0.00751 - 0.00965), b=3.03 (2.99 - 3.07), in cm Total Length, based on LWR estimates for this species (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.4   ±0.1 se; Based on diet studies. Resilience (Ref. 69278 ):  Medium, minimum population doubling time 1.4 - 4.4 years (rm=0.9; K=0.09-0.8; tmax=8; Fec=1,000). Prior r = 0.46, 95% CL = 0.30 - 0.68, Based on 1 stock assessment. Vulnerability (Ref. 59153 ):  High vulnerability (60 of 100) . Price category (Ref. 80766 ):   Very high .

Entered by Luna, Susan M. Modified by Torres, Armi G. Fish Forum
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