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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Pleuragrammatinae
Etymology: Dissostichus: Greek, disso = twice, one or other + Greek, stix, stichos =line, row (Ref. 45335); eleginoides: eleginoides deriving from the genus Eleginops for an assumed resemblance to that genus (Ref. 11892).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; oceanodroom (Ref. 51243); diepte 0 - 2144 m (Ref. 127764), usually 70 - 1500 m (Ref. 2121). Temperate; 33°S - 66°S, 77°W - 180°E (Ref. 54228)
Southeast Pacific and Southwest Atlantic: southern Chile round the coast to Patagonia (Argentina) and the Falkland Islands. Southwest Pacific: Macquarie Island. Southern Ocean: South Georgia. Also known from sub-Antarctic islands and seamounts of the Indian sector.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 49.0, range 38 - 60 cm
Max length : 215 cm TL mannelijk / geslacht onbekend; (Ref. 2121); common length : 70.0 cm TL mannelijk / geslacht onbekend; (Ref. 2121); max. gepubliceerd gewicht: 9.6 kg (Ref. 58336); max. gerapporteerde leeftijd: 31 Jaren (Ref. 87879)
Dorsale stekels (totaal): 8 - 10; Dorsale zachte stralen (totaal): 28-30; Anale stekels 0; Anale zachte stralen: 28 - 30; Wervels: 53 - 54. Lateral line scales 88-104 (upper), 61-77 (lower).
At 12-15 cm TL, semi-pelagic juveniles become demersal at 150-400 m depth (Ref. 55957). Adults migrate to deeper habitats at depths greater than 1,000 m (Ref. 55957). Utilized as food fish (Ref. 4931).
May spawn for the first time from around 8-10 years of age (Ref. 71843).
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 8.8, mean 4.5 °C (based on 1109 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00362 - 0.01099), b=3.15 (2.99 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.5 ±0.8 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=230,000; tmax>=21).
Prior r = 0.38, 95% CL = 0.25 - 0.57, Based on 2 stock assessments.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (71 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (47 of 100).
Nutrients (Ref.
124155): Calcium = 11.6 [6.5, 19.8] mg/100g; Iron = 0.335 [0.184, 0.568] mg/100g; Protein = 17.6 [15.9, 19.6] %; Omega3 = 0.744 [0.429, 1.253] g/100g; Selenium = 31.2 [16.4, 58.5] μg/100g; VitaminA = 9.39 [3.17, 28.34] μg/100g; Zinc = 0.313 [0.219, 0.453] mg/100g (wet weight); based on
nutrient studies.
