Taxonomic Remarks
Junior synonym of Macruronus novaezelandiae according to Olavarria_etal2006 (Ref. 132273). This species summary page will be deleted.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; havsvandrande (Ref. 51243); djupintervall 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.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 54 - ? cm
Max length : 115 cm TL hane/ej könsbestämd; (Ref. 7063); common length : 80.0 cm TL hane/ej könsbestämd; (Ref. 1371); publicerad maxvikt: 5.0 kg (Ref. 1371); rapporterad maxålder: 19 år (Ref. 122851)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 100 - 113; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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).
Body shape (shape guide): elongated; Cross section: oval.
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiellt viktig
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisk nivå (Ref. 69278) |
3.8 ±0.55 se; based on food items. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.09-0.1). |
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Rate of population increase |
Prior r = 0.28, 95% CL = 0.18 - 0.42, Based on 1 data-limited stock assessment. |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (41 of 100). 🛈 |
Sårbarhet för klimatet (Ref. 125649) |
High to very high vulnerability (69 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (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. |