Gadus macrocephalus, Pacific cod : fisheries, gamefish

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Gadus macrocephalus Tilesius, 1810

Pacific cod
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Gadus macrocephalus   AquaMaps   Data sources: GBIF OBIS
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Image of Gadus macrocephalus (Pacific cod)
Gadus macrocephalus
Picture by Orlov, A.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Gadidae (Cods and haddocks)
Etymology: Gadus: Latin, gadus = a fish, cod? (Ref. 45335);  macrocephalus: macrocephalus meaning large head (Ref. 6885).

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

; marien; brakwater demersaal; oceanodroom (Ref. 51243); diepteverspreiding 10 - 1280 m (Ref. 50550), usually 100 - 400 m (Ref. 54440). Boreal; 6°C - 9°C (Ref. 11800); 63°N - 31°N, 119°E - 119°W (Ref. 54440)

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Arctic: Chukchi and Beaufort Seas eastward across Arctic Canada to western Greenland; south in the Atlantic Ocean to Gulf of St. Lawrence. Pacific Ocean: eastern Pacific to southern California at Santa Monica, and in the western Pacific to the Yellow Sea.

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm 66.6, range 23 - 85 cm
Max length : 119 cm TL mannelijk/geslacht niet bekend; (Ref. 40637); Maximaal gepubliceerd gewicht: 22.7 kg (Ref. 27436); Maximaal vermelde leeftijd: 25 jaren (Ref. 55701)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 37-57; Anale stekels 0; Anale zachte stralen: 31 - 42; Wervels: 49 - 55. Distinguished by the presence of 3 dorsal and 2 anal fins, a long chin barbel (about 3/4 as long as the eye diameter in young, longer than eye diameter in adults), and a space between the second and third dorsal fins that is shorter than the eye diameter (Ref. 27547). Lateral line with a prominent arch under the 1st and 2nd dorsal fins, is straight toward the tail, ending under the 3rd dorsal (Ref. 27547). Brown or gray dorsally, becoming paler ventrally; dark spots or vermiculating patterns on the sides (Ref.1371). Yellow color phases are known (Ref. 27547). Fins dusky; dorsal, anal and caudal fins with white edges that are wider on anal and caudal than on dorsal (Ref. 27547).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Found mainly along the continental shelf and upper slopes (Ref. 1371). Form schools (Ref. 9988). They appear to be indiscriminate predators upon dominant food organisms present (Ref. 1371). Young probably feed on copepods and similar organisms (Ref. 27547). Adults feed on fishes, octopi, and large benthic and benthopelagic crustaceans (Ref. 1371); also worms. Parasites of the species include sealworm (Phocanema decipiens) in flesh, copepod (Lernaeocera branchialis) on gills and cestode (Pyramicocephalus phocarum) in the intestine (Ref. 5951). Marketed fresh and frozen for human consumption (Ref. 2850), and also dried or salted and smoked (Ref. 9988). Eaten steamed, fried, broiled, boiled, micro-waved and baked (Ref. 9988). Used in Chinese medicine (Ref. 12166). Minimum depth from Ref. 054440.

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

From late summer to mid-winter, fish move into the deeper water (100 to 250 m) of spawning areas; move inshore to depths of 30 to 60 m after spawning (Ref. 27547). Spawning occurs once a year (Ref. 120291).

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 125652)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 0.5 - 6.4, mean 2.9 °C (based on 495 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00628 - 0.00835), b=3.10 (3.06 - 3.14), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  4.2   ±0.1 se; based on diet studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Musick et al. 2000 (Ref. 36717); tmax=25; tm=3-8; K=0.11-0.27; Fec >1million).
Prior r = 0.34, 95% CL = 0.22 - 0.51, Based on 7 stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100) .
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (45 of 100) .
Prijsklasse (Ref. 80766):   Low.
Nutrients (Ref. 124155):  Calcium = 18.7 [9.6, 33.9] mg/100g ; Iron = 0.229 [0.133, 0.419] mg/100g ; Protein = 16.2 [14.6, 17.6] % ; Omega3 = 0.61 [0.23, 1.67] g/100g ; Selenium = 17.3 [5.4, 68.9] μg/100g ; VitaminA = 5.01 [0.86, 30.85] μg/100g ; Zinc = 0.444 [0.294, 0.661] mg/100g (wet weight); based on nutrient studies.