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Nemadactylus macropterus (Forster, 1801)

Tarakihi
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Native range | All suitable habitat | Point map | Year 2050
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Nemadactylus macropterus   AquaMaps   Data sources: GBIF OBIS
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Nemadactylus macropterus
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New Zealand country information

Common names: Tarakihi, Tarakihi
Occurrence: native
Salinity: marine
Abundance: common (usually seen) | Ref: Armitage, R.O., D.A. Payne, G.J. Lockley, H.M. Currie, R.L. Colban, B.G. Lamb and L.J. Paul (eds.), 1994
Importance: commercial | Ref: Armitage, R.O., D.A. Payne, G.J. Lockley, H.M. Currie, R.L. Colban, B.G. Lamb and L.J. Paul (eds.), 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Common throughout New Zealand, but most abundant in the cooler waters south of East Cape and around the South Island (Ref. 9258), and south to Snares Island (Ref. 115198). Recorded from Northeastern and Eastern Chatham Rise as rarely found (Ref. 87166). Landed throughout the year with catches increasing from February to June (Ref. 9258). Recorded in trawl surveys in Chatham Islands (Ref. 45493) and off the east coast of South Island (Ref. 58461). Voucher specimen(s) held at the NMNZ. See Ref. 9072 for use in game fishing. Also Ref. 5873, 8879, 45524, 75154.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Paulin, C., A. Stewart, C. Roberts and P. McMillan, 1989
National Database:

Common names from other countries

Джакас серый, Jackass morwong, Джакас, ... more

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

> Centrarchiformes (Basses) > Latridae (Trumpeters)
Etymology: Nemadactylus: Greek, nema, -atos = filament + Greek, daktylos = finger (Ref. 45335).
  More on author: Forster.

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

Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 22 - 450 m (Ref. 58489), usually 100 - 250 m (Ref. 3243).   Subtropical; 27°S - 48°S, 62°W - 176°W

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Indo-Pacific: St. Paul and Amsterdam islands in the Indian Ocean, southern Australia, including Tasmania, and New Zealand. Southwest Atlantic: southern South America.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 30.0, range 25 - 35 cm
Max length : 70.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9563); common length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3243); μεγ. δημοσιευμένο βάρος: 2.9 kg (Ref. 6390); μεγ. αναφερόμενη ηλικία: 50 έτη (Ref. 26998)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 17 - 18; Μαλακές ραχιαίες ακτίνες (συνολικά) : 25 - 28; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 14 - 15; Σπόνδυλοι: 35. Adults have elongate upper pectoral-fin rays and are silvery with a broad black band from the nape to the pectoral-fin base (Ref. 33616).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults demersal on the continental shelf and upper slope (Ref. 9563) to depths of 450 m (Ref. 33616). Juveniles tend to live near shallow reefs (Ref. 6390). Postlarvae inhabit offshore waters and are found in surface waters at night (Ref. 9072). Average weight is 1800 g. Feed on polychaete worms, crustaceans, mollusks and echinoderms (Ref. 28626). Flesh is quite good eating. Often sold as tiki fillets.

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

Jackass morwong have an extended pelagic postlarval stage (Ref. 6390). Research in New Zealand has shown that metamorphosis to the juvenile stage occurs between 9 and 12 months after hatching (Ref. 28625).

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993. Australian fisheries resources. Bureau of Resource Sciences, Canberra, Australia. 422 p. (Ref. 6390)

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: Εμπορικό(ά); αλιεία αναψυχής: ναί
FAO(αλιεία: Παραγωγή; publication : search) | FishSource | Η θάλασσα γύρω μας

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Estimates based on models

Preferred temperature (Ref. 115969): 11.1 - 16, mean 14 (based on 71 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00970 - 0.01710), b=3.03 (2.95 - 3.11), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.4   ±0.42 se; based on food items.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (K=0.1-0.28; tm=3-6; Fec=100,000; tmax=50).
Prior r = 0.27, 95% CL = 0.18 - 0.40, Based on 2 full stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).
Climate Vulnerability (Ref. 125649):  Low to moderate vulnerability (26 of 100).
Price category (Ref. 80766):   High.