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Perciformes/Scorpaenoidei (Scorpionfishes) >
Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Helicolenus: Greek, helike, -es = spiral + Greek, lenos, -ou = cavity (Ref. 45335).
Eponymy: Dr Juan Lengerich was a marine biologist who was head of the Industrial Section of the Marine Biology station at the University of Chile, and a member of the Chilean Antarctic Mission. He collected the holotype. (Ref. 128868), visit book page.
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batidemersale. Deep-water; 8°S - 45°S, 88°W - 60°W
Southeast Pacific: Peru and Chile (including the Juan Fernandez Islands). Southwest Atlantic: Argentina.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.7 cm SL maschio/sesso non determinato; (Ref. 26373); Età massima riportata: 7 anni (Ref. 39918)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 12; Raggi dorsali molli (totale) : 13; Spine anali: 2; Raggi anali molli: 5. Dorsal fin and dorsal part of body with irregular dark marks (Ref. 27363).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p. (Ref. 27363)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 5.3, mean 3.8 °C (based on 20 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00506 - 0.02166), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (tmax=7).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
Nutrients (Ref.
124155): Calcium = 39.2 [12.9, 102.6] mg/100g; Iron = 0.568 [0.248, 1.285] mg/100g; Protein = 17.1 [15.3, 19.0] %; Omega3 = 0.679 [0.271, 1.942] g/100g; Selenium = 17.5 [7.6, 44.3] μg/100g; VitaminA = 18.4 [4.4, 80.3] μg/100g; Zinc = 0.394 [0.233, 0.624] mg/100g (wet weight);