Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas pelagic-oceanic; intervalo de profundidade 10 - 1600 m. Polar; 50°S - 78°S, 143°E - 19°W (Ref. 1371)
Southern Ocean: coasts of Antarctic Peninsula, Scotia Sea (South Georgia, South Sandwich, South Orkney and South Shetland islands), Victoria Land and Ross Sea.
Comprimento na primeira maturidade / Tamanho / Peso / Idade
Maturidade: Lm 27.5, range 23 - 32 cm
Max length : 35.0 cm TL macho/indeterminado; (Ref. 1371); common length : 27.0 cm TL macho/indeterminado; (Ref. 1371)
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 135; Espinhos anais: 0; Raios anais moles: 106; Vértebras: 69. Dorsal filament variable in length, but never longer than twice the eye diameter. Outer rays of the pelvic fins filamentous, of unequal lengths. Lateral line arched above the pectoral fin, extending to slightly beyond the pectoral fin tips. Color is uniform gray-brown, with iridescent hues.
Body shape (shape guide): elongated; Cross section: oval.
Dwells in continental and insular shelves and slopes. Feeds on zooplankton. Synchronous spawner (Ref. 50743).
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): -1.9 - 1.6, mean -0.7 °C (based on 751 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5059 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00171 - 0.01116), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.4 ±0.4 se; based on diet studies.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (tm=4; Fec = 85,810).
Vulnerabilidade da pesca (Ref.
59153): Moderate vulnerability (41 of 100).
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Vulnerabilidade climática (Ref.
125649): High vulnerability (62 of 100).
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Nutrientes (Ref.
124155): Calcium = 28.6 [13.1, 61.2] mg/100g; Iron = 0.478 [0.243, 0.999] mg/100g; Protein = 16.8 [15.3, 18.2] %; Omega3 = 0.265 [0.119, 0.570] g/100g; Selenium = 17.6 [5.9, 46.3] μg/100g; VitaminA = 14 [3, 74] μg/100g; Zinc = 0.526 [0.336, 0.834] mg/100g (wet weight);
