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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Gobionotothen: Latin, gobius = gudgeon + see under Notothenia; gibberifrons: gibberifrons from Latin giber a hump, frons forehead, humped forehead (Ref. 11892).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 6 - 429 m (Ref. 11892). Polar; 53°S - 67°S, 75°W - 75°E
Southern Ocean: Scotia Arc and Heard Island. Also distributed in the South Atlantic, near the southern Shetland, southern Sandwich, southern Orkney Islands, and near South Georgia Island (Ref. 4883).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 37.7 range ? - ? cm
Max length : 55.0 cm TL mannelijk / geslacht onbekend; (Ref. 5179); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 2121)
Dorsale stekels (totaal): 6 - 8; Dorsale zachte stralen (totaal): 31-34; Anale zachte stralen: 31 - 34. Upper part of head and body irregularly spotted and blotched. Rarely with traces of darker cross-bars, young with irregular cross-bars, broken up into three or four series of alternating spots (Ref. 11892).
Mature females may spawn for the first time from around 6-8 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: van minder commercieel belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): -1.3 - 0.7, mean -0.6 °C (based on 36 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00344 - 0.00483), b=3.24 (3.19 - 3.29), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=21,699; tm=10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (46 of 100).
Nutrients (Ref.
124155): Calcium = 19.7 [11.5, 46.6] mg/100g; Iron = 0.384 [0.181, 0.754] mg/100g; Protein = 17.7 [15.5, 19.6] %; Omega3 = 0.329 [0.180, 0.572] g/100g; Selenium = 16.6 [7.0, 41.1] μg/100g; VitaminA = 12.4 [2.7, 59.6] μg/100g; Zinc = 0.497 [0.332, 0.747] mg/100g (wet weight); based on
nutrient studies.
