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Brosme brosme (Ascanius, 1772)

Cusk
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Native range | All suitable habitat | Point map | Year 2050
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Brosme brosme   AquaMaps   Data sources: GBIF OBIS
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Image of Brosme brosme (Cusk)
Brosme brosme
Picture by Østergaard, T.


Canada country information

Common names: Brosme, Cusk, Torsk
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: 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/ca.html
National Fisheries Authority: http://www.ncr.dfo.ca/home_e.htm
Occurrences: Occurrences Point map
Main Ref: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Lotidae (Hakes and burbots)
Etymology: Brosme: Greek, brosomai, bibrosko = to eat up, to devour (Ref. 45335).

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

marino demersal; oceanodromo (Ref. 51243); rango de profundidad 18 - 1000 m (Ref. 1371), usually 18 - 549 m (Ref. 1371).   Temperate; 83°N - 37°N, 75°W - 57°E (Ref. 1371)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Northwest Atlantic: New Jersey to the Strait of Belle Isle and on the Grand Banks of Newfoundland. Rare at the southern tip of Greenland. Northeast Atlantic: off Iceland, in the northern North Sea, and along the coast of Scandinavia to the Murmansk Coast and at Spitzbergen.

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 53.3, range 50 - ? cm
Max length : 120 cm TL macho / no sexado; (Ref. 9988); common length : 50.0 cm TL macho / no sexado; (Ref. 1371); peso máximo publicado: 30.0 kg (Ref. 9988); edad máxima reportada: 20 años (Ref. 1371)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 93 - 103; Radios blandos anales: 62 - 75; Vértebra: 64 - 67. Barbel on present on chin, none on snout, its length equal to eye diameter. Color is variable; dorsally dark red-brown or green brown to yellow shading into pale color on belly. Young specimens may have six transverse yellow bands on sides. Vertical fins with dark margin rimmed with white.

Biología     Glosario (por ej. epibenthic)

Found in small shoals on rough, rock, gravel, or pebble bottoms. Generally keeps far from the shore, near the bottom, mostly between 150 and 450 m in the northeastern Atlantic, and between 18 and 550 m in the northwestern Atlantic. Occurs at a temperature range of 0°-10° C (Ref. 9988). Solitary or in small groups. Feeds on crustaceans and shellfishes, benthic fishes (flatfishes and gurnard) and even on starfishes. Preyed upon by seals (Ref. 9988). Sold fresh, frozen as fillets or dried salted. Eaten steamed, fried, broiled, boiled, microwaved and baked (Ref. 9988).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Spawns in shallower waters between 40-400 m, usually 100 to 200 m. Most important spawning grounds are located between Scotland and Iceland, from 200 to 500 m depth. In the Gulf of Maine, spawning grounds can be found in shallower waters (>50 m). Some individuals even spawn close inshore in Cape Cod, Provincetown Harbor and the Isles of Shoals (Ref. 1371).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: muy comercial; pesca deportiva: si
FAO(pesquerías: producción, species profile; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

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Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
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Length-weight rel.
Length-length rel.
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Recruitments
Abundances
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Reproducción
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Fecundities
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Egg(s)
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Estimates based on models

Preferred temperature (Ref. 115969): 0.5 - 7.7, mean 3.6 (based on 726 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00402 - 0.00751), b=3.09 (3.00 - 3.18), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Nivel trófico (Ref. 69278):  3.9   ±0.3 se; based on diet studies.
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (K=0.08-0.16; tm=8-10; tmax=20; Fec=2 million).
Prior r = 0.45, 95% CL = 0.30 - 0.68, Based on 9 full stock assessments.
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (44 of 100).
Price category (Ref. 80766):   Low.