Common names from other countries

Bocasse triangulaire, Trama triangular, Bocasse triangulaire, ... more

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> Perciformes/Notothenioidei (Icefishes) > Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Gobionotothen: Latin, gobius = gudgeon + see under Notothenia; acuta: acuta from Latin - narrow, sharp pointed, for its slender snout (Ref. 11892).
More on author: Günther.

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

marien demersaal; diepte 30 - 300 m (Ref. 5179), usually 30 - 140 m (Ref. 11892). Polar; 46°S - 54°S

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Southern Ocean: French South Territory, Heard Islands and Kerguelen Plateau.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 35.0 cm SL mannelijk / geslacht onbekend; (Ref. )

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 6 - 7; Dorsale zachte stralen (totaal) : 28 - 30; Anale zachte stralen: 28 - 31. Body marbled and with three or four short, broad, dark bars on upper parts of sides. Dorsally rays sometimes with a series of small spots, caudal fin faintly barred (Ref. 11892).

Found in fairly shallow water (Ref. 11892).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

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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)

Niet geëvalueerd

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

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Estimates based on models

Preferred temperature (Ref. 115969): 1.8 - 3.1, mean 2.5 (based on 15 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00589 (0.00350 - 0.00989), b=3.25 (3.10 - 3.40), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.3 ±0.3 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Fec = 41,650-86580).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (33 of 100).

Climate Vulnerability (Ref. 125649): High to very high vulnerability (70 of 100).

Prijsklasse (Ref. 80766): High.

Gobionotothen acuta (Günther, 1880)