Issue
This species is synonym of Macruronus novaezelandiae (Hector, 1871) in Eschmeyer (CofF ver. Jan. 2012: Ref. 89336). Waiting for more confirmation. Please send references or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas bentopelágico; oceanódromo (Ref. 51243); intervalo de profundidade 30 - 500 m (Ref. 1371). Subtropical; 34°S - 60°S, 79°W - 52°W (Ref. 1371)
Southeast Pacific and Southwest Atlantic: off southern Chile and Argentina.
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturity: Lm ?, range 54 - ? cm
Max length : 115 cm TL macho/indeterminado; (Ref. 7063); common length : 80.0 cm TL macho/indeterminado; (Ref. 1371); peso máx. publicado: 5.0 kg (Ref. 1371); idade máx. registrada: 19 anos (Ref. 122851)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Raios dorsais (total) : 100 - 113; Espinhos anais: 0; Raios anais : 83 - 90. Dorsal part of body purplish blue, belly silvery with a slight bluish tinge; small melanophores scattered on fin membrane of dorsal and anal fins; inside of mouth blackish (Ref. 1371).
Schooling species which are concentrated on the outer part of the continental shelf (Ref. 1371). Feeds mainly on fish (herring, anchovies, lantern fishes), also on mysids, cephalopods, euphausiids and amphipods (Ref. 1371). Migrates southward in spring and summer and northward in winter (Ref. 1371). Utilized fresh, frozen and for fishmeal (Ref. 1371).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: altamente comercial
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.5 - 9.7, mean 6.5 °C (based on 311 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00228 - 0.00729), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 3.8 ±0.55 se; based on food items.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (K=0.09-0.1).
Prior r = 0.28, 95% CL = 0.18 - 0.42, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (69 of 100).
Nutrients (Ref.
124155): Calcium = 35.8 [16.1, 79.9] mg/100g; Iron = 0.788 [0.361, 1.658] mg/100g; Protein = 17.5 [15.2, 19.7] %; Omega3 = 0.189 [0.091, 0.377] g/100g; Selenium = 60.1 [27.6, 133.1] μg/100g; VitaminA = 12.4 [3.5, 43.2] μg/100g; Zinc = 0.502 [0.326, 0.773] mg/100g (wet weight); based on
nutrient studies.
