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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
Ökologie
seewasser bathydemersal. Deep-water; 8°S - 45°S, 88°W - 60°W
Southeast Pacific: Peru and Chile (including the Juan Fernandez Islands). Southwest Atlantic: Argentina.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 30.7 cm SL Männchen/unbestimmt; (Ref. 26373); max. veröff. Alter: 7 Jahre (Ref. 39918)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 12; Rückenflossenweichstrahlen (insgesamt) : 13; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 5. Dorsal fin and dorsal part of body with irregular dark marks (Ref. 27363).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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 Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Tools
Zusatzinformationen
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Internet Quellen
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
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (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);