Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas demersal; intervalo de profundidade 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).
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturidade: Lm 37.7  range ? - ? cm
Max length : 55.0 cm TL macho/indeterminado; (Ref. 5179); common length : 40.0 cm TL macho/indeterminado; (Ref. 2121)
Espinhos dorsais (total) : 6 - 8; Raios dorsais (total) : 31 - 34; Raios anais : 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).
Body shape (shape guide): fusiform / normal.
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 na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): -1.3 - 0.7, mean -0.6 °C (based on 36 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec=21,699; tm=10).
Vulnerabilidade da pesca (Ref.
59153): Moderate vulnerability (42 of 100).
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Vulnerabilidade climática (Ref.
125649): Moderate to high vulnerability (46 of 100).
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Nutrientes (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.