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Boreogadus saida (Lepechin, 1774)

Polar cod
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Boreogadus saida   AquaMaps   Data sources: GBIF OBIS
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Image of Boreogadus saida (Polar cod)
Boreogadus saida
Picture by Dolgov, A.

Common names from other countries

Morue polaire, Bacalao polar, Сайка (=полярная тресочка), ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Gadidae (Cods and haddocks)
Etymology: Boreogadus: Greek, boreas = north wind + Latin, gadus = a fish, cod? (Ref. 45335).

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

marina; brackvatten bottenlevande; havsvandrande (Ref. 12074); djupintervall 0 - 1383 m (Ref. 58426), usually 0 - 400 m (Ref. 1371).   Polar; -2°C - 8°C (Ref. 96379); 87°N - 52°N, 180°W - 180°E (Ref. 1371)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Circumpolar in the Arctic. North Atlantic: White Sea, Iceland, and southern Greenland into the Miramichi River, New Brunswick in Canada. North Pacific: Bering Sea to Cape Olyutorski, the Pribilof Islands, and Bristol Bay.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 1371); common length : 25.0 cm TL hane/ej könsbestämd; (Ref. 1371); rapporterad maxålder: 7 år (Ref. 1371)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 42 - 57; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 33 - 44; Ryggkotor: 49 - 57. Caudal fin deeply concave. Lower jaw slightly longer than upper jaw. Chin barbel very small. No lateral line pores on head. Scales small and embedded, not overlapping. Brownish along the back with many fine points; the sides and belly silvery; the fins dusky with pale margins (Ref. 1371).

Biologi     Ordlista (t.ex. epibenthic)

Occurs in coastal habitats during summer and winter (Ref. 1371). Cryopelagic or epontic, from surface down to 1383 m (Ref. 58426). In the Beaufort Sea, it may also be found in brackish lagoons and in almost fresh water in river mouths (Ref. 1371). Although associated with the occurrence of ice (White Sea), it is present in ice-free near-shore waters (Alaska) (Ref. 1371). Onshore-offshore movements are associated with spawning and movements of the ice (Ref. 27547). Feeds mostly on epibenthic mysids, also amphipods, copepods and fishes (Ref. 1371). Also caught with mid-water trawls (Ref. 1371). Utilized as fishmeal and source of oil (Ref. 1371). Euryhaline and eurythermic.

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Oviparous, sexes are separate (Ref. 101194). Fish move close inshore, often in large numbers to spawn (Ref. 27547).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: kommersiellt viktig
FAO(fiskeri: produktion, species profile; publication : search) | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
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Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
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Recruitments
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Estimates based on models

Preferred temperature (Ref. 115969): -1.3 - 4, mean 0.2 (based on 1585 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00360 - 0.00581), b=3.16 (3.09 - 3.23), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.1   ±0.1 se; based on diet studies.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.22; tm=2-5; Fec=30,000).
Prior r = 0.28, 95% CL = 0.19 - 0.43, Based on 2 data-limited stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (46 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (40 of 100).
Price category (Ref. 80766):   High.