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Merluccius australis (Hutton, 1872)

Southern hake
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Native range | All suitable habitat | Point map | Year 2050
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Merluccius australis   AquaMaps   Data sources: GBIF OBIS
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Image of Merluccius australis (Southern hake)
Merluccius australis
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Common names from other countries

Merlu austral, Merluza austral, Мерлуза новозеландская, ... more

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Merlucciidae (Merluccid hakes)
Etymology: Merluccius: Latin, mar, maris = the sea + Latin, lucius = pike (Ref. 45335).

Issue
Reported as M. polylepis in Patagonian waters.

Environment: milieu / climate zone / depth range / distribution range Οικολογία

Θαλασσινό(ά) βενθοπελαγικό; ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 28 - 1000 m (Ref. 58489).   Subtropical; 33°S - 59°S, 165°E - 66°W (Ref. 58452)

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Circumglobal in the southern hemisphere (Ref. 7300). Two distinct groups. New Zealand population: Chatham Rise, Campbell Plateau and South Island northward to the East Cape. Patagonian population: Chiloé Island in the Pacific, southward around the southern tip of South America to the continental shelf to 59°S, and the slope north to 38°S in the Atlantic.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 74.7, range 75 - 85 cm
Max length : 155 cm SL αρσενικό/απροσδιόριστο; (Ref. 58452); common length : 80.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 1371); μεγ. αναφερόμενη ηλικία: 30 έτη (Ref. 9072)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 48 - 57; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 40 - 46; Σπόνδυλοι: 53 - 58. Body more slender than other hakes. Pectoral fins long and slender, stripe reaching anal fin in young individuals but not in fish over 50 cm in SL. Gill rakers short and thick with blunt tips. Color is steel gray on back grading to silvery white ventrally.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Found at depths between 415 and 1000 m in New Zealand waters, and 62 to 800 m in South American waters. The Patagonian population feeds on southern blue whiting, whiptail, nototheniids and squids. The New Zealand population feeds mainly on fishes (especially gadoids), squids, euphausiids and benthic organisms. Adults probably migrate southward during the southern summer for feeding and return to the north in winter for spawning (Ref. 1371). Spawning takes place from August to September on the western coast of South Island, from September to November in the northern part of the Campbell Plateau, and between November and January on Chatham Rise (Ref. 58452). Utilized as food fish and fishmeal.

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

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)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: πολύ εμπορικό
FAO(αλιεία: Παραγωγή, species profile; publication : search) | FishSource | Η θάλασσα γύρω μας

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Διαδικτυακές πηγές

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Estimates based on models

Preferred temperature (Ref. 115969): 6.2 - 13.3, mean 8.6 (based on 112 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00334 - 0.00475), b=3.10 (3.05 - 3.15), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.3   ±0.74 se; based on food items.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (K=0.07-0.19; tm=6-10; tmax=30).
Prior r = 0.24, 95% CL = 0.16 - 0.35, Based on 4 full stock assessments.
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (61 of 100).
Price category (Ref. 80766):   Medium.