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Anarhichas denticulatus, Northern wolffish : gamefish
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Anarhichas denticulatus
Picture by
Svensen, R.
Teleostei (teleosts) >
Perciformes/Zoarcoidei
(Eelpouts and pricklebacks) >
Anarhichadidae
(Wolffishes)
Etymology:
Anarhichas:
Greek, anarhichaomai = to climb up
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; oceanodromous (Ref.
51243
); depth range 60 - 1700 m (Ref.
58426
), usually 100 - 900 m. Polar; 81°N - 43°N, 123°W - 61°E
North Atlantic: Spitsbergen, Novaya Zemlya, Barents and Norwegian seas, the Shetlands, the Faeroes, Iceland and south-eastern coasts of Greenland; also known occasionally in northern North Sea and Skaggerak and south to Bay of Biscay. Western Atlantic: Arctic, from Prince Patrick Island to Sable Island off Nova Scotia and Grand Banks in Canada (Ref.
7251
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 180 cm TL male/unsexed; (Ref.
7251
); max. published weight: 20.0 kg (Ref.
7251
)
Coloration bluish-black with indistinct spots on the sides. Flesh soft and watery (Ref.
35388
).
Inhabits offshore waters in midwater; adults also near bottom from 60-970 m, mainly 100-900 m (Ref.
4694
). Epibenthic (Ref.
58426
). Feeds on sea gooseberries, medusas, small fishes, also echinoderms, crustaceans and mollusks (not so hard-shelled) (Ref.
4694
). Spawns at great depths (Ref.
44162
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Barsukov, V.V.
, 1986. Anarhichadidae. p. 1113-1116. 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. volume 3. UNESCO, Paris. (Ref.
4694
)
IUCN Red List Status (Ref.
130435
)
Not Evaluated
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest; gamefish: yes
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Estimates based on models
Preferred temperature (Ref.
123201
): 0.6 - 7.2, mean 3.4 °C (based on 687 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5938 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00292 - 0.01365), b=3.20 (3.00 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 4.0 ±0.67 se; based on food items.
Generation time: 13.6 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (K=0.08-0.10).
Fishing Vulnerability (Ref.
59153
): Very high vulnerability (78 of 100).
Climate Vulnerability (Ref.
125649
): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155
): Calcium = 4.17 [1.74, 17.95] mg/100g; Iron = 0.189 [0.061, 0.592] mg/100g; Protein = 15.9 [13.6, 18.4] %; Omega3 = 0.212 [0.107, 0.446] g/100g; Selenium = 49.5 [10.7, 163.5] μg/100g; VitaminA = 11.4 [2.5, 56.4] μg/100g; Zinc = 0.467 [0.175, 0.940] mg/100g (wet weight);
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