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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
Ecologie
marien bathydemersaal. Deep-water; 8°S - 45°S, 88°W - 60°W
Southeast Pacific: Peru and Chile (including the Juan Fernandez Islands). Southwest Atlantic: Argentina.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 30.7 cm SL mannelijk / geslacht onbekend; (Ref. 26373); max. gerapporteerde leeftijd: 7 Jaren (Ref. 39918)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 13; Anale stekels: 2; Anale zachte stralen: 5. Dorsal fin and dorsal part of body with irregular dark marks (Ref. 27363).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 5.3, mean 3.8 °C (based on 20 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (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);