Issue
A different species/subspecies is recognized on the Peruvian coasts Merluccius peruanus Ginsburg, 1954, that is recognized in FishBase as a provisionally valid species. More studies are needed to clearly differentiate it (March 2021).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; oceanodroom; diepte 50 - 500 m (Ref. 1371). Deep-water; 5°S - 46°S, 81°W - 69°E (Ref. 54583)
Southeast Pacific: off the coast of Chile from Arica to Chiloé Island.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 32 - ? cm
Max length : 87.0 cm TL mannelijk / geslacht onbekend; (Ref. 1371); common length : 50.0 cm TL mannelijk / geslacht onbekend; (Ref. 1371)
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 45 - 54; Anale stekels: 0; Anale zachte stralen: 36 - 42; Wervels: 49 - 53. Caudal fin margin usually concave. Color is silvery on back, silvery whitish on belly. M. gayi gayi and M. gayi peruanus differ by the total number of vertebrae, total number of gill rakers and relative length of head (Ref. 1371).
Occurs from the shallow continental shelf to the upper continental slope (Ref. 1371). Sometimes found off the bottom or in midwater (Ref. 1371). Migrates vertically to midwater at night to feed on fishes, squids and euphausiids (Ref. 27363). Moves to southern coastal areas in summer and migrates to northern deeper waters (200-500 m depth) in winter and spring (Ref. 27363). Spawning occurs at the end of the winter and during the southern spring (Ref. 58452). Marketed fresh and frozen (Ref. 1371) and eaten steamed, fried, boiled and microwaved (Ref. 9988). Also utilized as fishmeal (Ref. 1371).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van groot commercieel belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 9.3 - 14, mean 10.9 °C (based on 38 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00630 - 0.03168), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.3 ±0.6 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.1-0.2; tm=2).
Prior r = 0.28, 95% CL = 0.18 - 0.42, Based on 3 full stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (62 of 100).
Nutrients (Ref.
124155): Calcium = 8.76 [3.94, 31.98] mg/100g; Iron = 0.342 [0.068, 0.925] mg/100g; Protein = 17.6 [16.3, 18.9] %; Omega3 = 0.216 [0.103, 0.404] g/100g; Selenium = 22 [10, 49] μg/100g; VitaminA = 11.9 [2.5, 54.2] μg/100g; Zinc = 0.223 [0.154, 0.356] mg/100g (wet weight); based on
nutrient studies.
