Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Helicolenus: Greek, helike, -es = spiral + Greek, lenos, -ou = cavity (Ref. 45335).

Environment / Climate / Range Ecology

Marine; demersal; depth range 50 - 750 m (Ref. 6390). Subtropical; 26°S - 55°S

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 47.0 cm TL male/unsexed; (Ref. 9563); max. published weight: 1.4 kg (Ref. 30476); max. reported age: 42 years (Ref. 30476)

Short description Morphology | Morphometrics

Dorsal spines (total): 12; Dorsal soft rays (total): 11-12; Anal spines: 3; Anal soft rays: 5; Vertebrae: 25

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

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).

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).

Main reference Upload your references | References | Coordinator | Collaborators

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.

IUCN Red List Status (Ref. 90363)

Not Evaluated

Threat to humans

Venomous (Ref. 9563)

Human uses

Fisheries: commercial

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00870 (-0.14549 - 0.16289), b=3.12 (3.03 - 3.22), based on LWR estimates for this family-BS (Ref. 93245).

Trophic Level (Ref. 69278): 4.0 ±0.74 se; Based on food items.

Resilience (Ref. 69278): Low, minimum population doubling time 4.5 - 14 years (K=0.11-0.12; tmax=42; Fec=150,000).

Vulnerability (Ref. 59153): High vulnerability (62 of 100) .

Price category (Ref. 80766): Unknown.

Helicolenus percoides (Richardson & Solander, 1842)