Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 50 - 750 m (Ref. 6390). Subtropical; 26°S - 55°S
Southwest Pacific: Australia and New Zealand. Two forms of ocean perch are recognized in waters off New South Wales, Australia (Ref. 6390). They are referred to as 'inshore' and 'offshore' forms based on their preferred depth ranges (Ref. 6390).
A closely related species, Helicolenus barathri, is known from New Zealand and its distribution may also include southern Australian waters (Ref. 30468, 30471).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 47.0 cm TL mâle / non sexé; (Ref. 9563); poids max. publié: 1.4 kg (Ref. 30476); âge max. reporté: 42 années (Ref. 30476)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 12; Rayons mous dorsaux (Total) : 11 - 12; Épines anales: 3; Rayons mous anaux: 5; Vertèbres: 25.
Body shape (shape guide): fusiform / normal.
Occur on the continental shelf and slope (Ref. 9563). Two forms exist in New South Wales, Australia. The inshore form is dominant in depths less than 300 m and the offshore form is most common in deeper waters (Ref. 30468). Juveniles of both forms are caught near the edge of the continental shelf by fishers targeting royal red prawns (Haliporoides sibogae) in Australia, but their full distribution is unknown (Ref. 6390). Reproduction in ocean perch is distinctive in that fertilization is internal (Ref. 6390, 34817). Feed on squid, shrimps and fish (Ref. 6390). Head and dorsal-fin spines are venomous (Ref. 33616). Sold whole and chilled on the domestic fresh fish markets (Ref. 6390).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Larvae stay within the female fish until they are approximately 1 mm long before they are released into the water (Ref. 6390).
In Australia, the inshore and offshore forms of ocean perch begin mating at different times and there is a difference in the length of their larval development prior to release (Ref. 30468).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01622 (0.00965 - 0.02725), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.9 ±0.6 se; based on diet studies. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.11-0.12; tmax=42; Fec=150,000). |
Vulnérabilité de la pêche (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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Nutriments (Ref. 124155) |
Calcium = 59 [20, 156] mg/100g; Iron = 1.05 [0.46, 2.21] mg/100g; Protein = 17.9 [16.3, 19.7] %; Omega3 = 0.643 [0.281, 1.641] g/100g; Selenium = 42.5 [18.9, 115.9] μg/100g; VitaminA = 24.5 [8.1, 78.9] μg/100g; Zinc = 0.671 [0.378, 1.054] mg/100g (wet weight); |