Macruronus novaezelandiae, Blue grenadier : fisheries

Macruronus novaezelandiae (Hector, 1871)

Blue grenadier
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Macruronus novaezelandiae   AquaMaps   Data sources: GBIF OBIS
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Macruronidae (Blue grenadiers)
Etymology: Macruronus: Greek, makros = great + Greek, onos = hake.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser; brackwasser benthopelagisch; ozeanodrom; tiefenbereich 0 - 1000 m (Ref. 26566), usually 200 - 700 m (Ref. 9563). Subtropical; 15°S - 55°S, 111°E - 173°W (Ref. 58452)

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

Southwest Pacific: New Zealand and southern Australia.

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 67.5, range 65 - 70 cm
Max length : 120 cm TL Männchen/unbestimmt; (Ref. 1371); 130.0 cm TL (female); common length : 80.0 cm TL Männchen/unbestimmt; (Ref. 1371); max. veröff. Gewicht: 1.5 kg (Ref. 1371); max. veröff. Gewicht: 1.5 kg; max. veröff. Alter: 25 Jahre (Ref. 6390)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 12 - 13; Rückenflossenweichstrahlen (insgesamt) : 96 - 106; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 89 - 93; Wirbelzahl: 78 - 81. Dorsal surface silvery, with a purple or blue-green tinge; plank and belly silvery; fins darker. Body very elongate and compressed with a tapering tail, dorsal and anal fins confluent with the caudal fin (Ref. 33856).
Body shape (shape guide): elongated; Cross section: oval.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Appear to live usually on or near the bottom, but may occasionally move up into mid-waters. Large adult fish generally occur deeper than 400 m, while juveniles may be found in shallower water (Ref. 9072), more commonly found in large estuaries and bays, and may even enter freshwaters (Ref. 1371). Juvenile specimens and especially adults belonging to the American subspecies, have been caught from the coastal zone to 110 m (Ref. 58452). Form schools. Feed primarily on lantern fishes. In New Zealand, it feeds in midwater on small fish, crustaceans and squid. Oviparous, spawn 1 million eggs on the average which are released all at one time (Ref. 6390). Utilized fresh and frozen; can be steamed, fried, cooked in microwave and baked (Ref. 9988).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Female blue grenadier produce about 1 million eggs on average, which are all released at once (Ref. 6390).

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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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: hoch kommerziell
FAO - Fischereien: landings search; Publication: search | FIRMS - Stock assessments | FishSource | Das Meer um uns herum

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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex
(Ref. 82804)
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00389 (0.00222 - 0.00681), b=2.98 (2.82 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophische Ebene
(Ref. 69278)
4.5   ±0.2 se; based on diet studies.
Generation time 6.1 (5.2 - 8.9) years. Estimated as median ln(3)/K based on 18 growth studies.
Widerstandsfähigkeit
(Ref. 120179)
niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.12-0.2; tm=3-7; tmax=25; Fec = 1,000,000).
Rate of population increase Prior r = 0.29, 95% CL = 0.19 - 0.44, Based on 3 full stock assessments.
Anfälligkeit der Fischerei
(Ref. 59153)
High to very high vulnerability (66 of 100). 🛈
Klimaanfälligkeit
(Ref. 125649)
High vulnerability (61 of 100). 🛈
Preiskategorie
(Ref. 80766)
Medium.
Nährstoffe
(Ref. 124155)
Calcium = 26.4 [12.3, 56.9] mg/100g; Iron = 0.629 [0.299, 1.299] mg/100g; Protein = 17.7 [15.5, 19.8] %; Omega3 = 0.224 [0.105, 0.456] g/100g; Selenium = 62.1 [26.1, 122.9] μg/100g; VitaminA = 17.2 [5.4, 54.1] μg/100g; Zinc = 0.541 [0.348, 0.866] mg/100g (wet weight); based on nutrient studies.