Norway country information

Common names: Kveite
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: minor commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/no.html
National Fisheries Authority: http://odin.dep.no/fid/eng/
Occurrences: Occurrences Point map
Main Ref: Nielsen, J.G., 1986
National Database:

Common names from other countries

Flétan de l'Atlantique, Fletán del Atlántico, 大西洋庸鲽, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Hippoglossinae
Etymology: Hippoglossus: Greek, ippos = horse + Greek, glossa = tongue (Ref. 45335).
More on author: Linnaeus.

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

marin démersal; océanodrome (Ref. 51243); profondeur 50 - 2000 m (Ref. 4705). Temperate; 79°N - 36°N, 77°W - 55°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Northwestern Atlantic: southwestern Greenland and Labrador in Canada to Virginia in USA (Ref. 7251); Northeastern Atlantic: Bay of Biscay to Spitsbergen, Barents Sea, Iceland and eastern Greenland.

Length at first maturity / Taille / Poids / Âge

Maturity: L_m 122.0, range 135 - ? cm
Max length : 470 cm TL mâle / non sexé; (Ref. 7251); 300.0 cm TL (female); poids max. publié: 320.0 kg (Ref. 7251); âge max. reporté: 50 années (Ref. 173)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 98 - 110; Épines anales: 0; Rayons mous anaux: 73 - 85. Uniformly dark brown or black; young marbled or spotted with paler marks (Ref. 4705).

Adults are benthic but occasionally pelagic (Ref. 4705). Feed mainly on other fishes (cod, haddock, pogge, sand-eels, herring, capelin), but also takes cephalopods, large crustaceans and other bottom-living animals. Batch spawner (Ref. 51846). Growth rate varies according to density, competition and availability of food. Slow growth rate and late onset of sexual maturity, halibut populations can be seriously affected by overfishing (Ref. 35388). Utilized fresh, dried or salted, smoked and frozen; can be steamed, fried, broiled, boiled, microwaved and baked (Ref. 9988). Also Ref. 58426.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Males reach sexual maturity at 7-8 years and females at 10-11 years. Spawning happens from December to April, near the bottom (300 to 700 m), at temperatures between 5 and 7°. Egg size 3.0-3.8, larval size at hatching 6.5 mm (Ref. 4705).

Référence principale Upload your references | Références | Coordinateur : Amaoka, Kunio | Collaborateurs

Vinnikov, K.A., R.C. Thomson and T.A. Munroe, 2018. Revised classification of the righteye flounders (Teleostei: Pleuronectidae) based on multilocus phylogeny with complete taxon sampling. Molecular phylogenetics and evolution, 125:147-162. (Ref. 122998)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Quasi-menacé (NT) ; Date assessed: 12 February 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: commercial; Aquaculture: expérimental; pêche sportive: oui; Aquarium: Aquariums publics

FAO(Aquaculture systems: production; pêcheries: production; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 0.4 - 7.9, mean 3.4 (based on 1760 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00550 (0.00398 - 0.00759), b=3.17 (3.08 - 3.26), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Niveau trophique (Ref. 69278): 4.0 ±0.5 se; based on diet studies.

Résilience (Ref. 120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (tmax=30; tm=10; K=0.02-0.2; Fec=1,300,000; also Musick et al. 2000 (Ref. 36717)).

Prior r = 0.27, 95% CL = 0.18 - 0.40, Based on 1 full stock assessment.

Fishing Vulnerability (Ref. 59153): Very high vulnerability (88 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (43 of 100).

Catégorie de prix (Ref. 80766): Very high.

Hippoglossus hippoglossus (Linnaeus, 1758)