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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 Fernando Lahille (1861–1940) was a French physician, naturalist and marine biologist. [...] (Ref. 128868), visit book page.
More on author: Norman.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien demersaal; diepte 80 - 215 m (Ref. 47377), usually 80 - 200 m (Ref. 27363). Subtropical; - 40°S
Southwest Atlantic: [Uruguay to northern Argentina according to Ref. 27363]; south of Rio Grande to Argentina (Ref. 47377).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 18.0, range 14 - 24 cm
Max length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 47377); common length : 27.9 cm SL mannelijk / geslacht onbekend; (Ref. 27363)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 12; Anale stekels: 3; Anale zachte stralen: 5. Body orange-red dorsally; side more or less spotted or mottled with vermillion color; lower part pinkish white; dorsal fin membranes with dark spots and blotches; pectoral, pelvic and anal fins reddish (Ref. 27363).
Body shape (shape guide): fusiform / normal.
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
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 5.4 - 19.1, mean 17.2 °C (based on 50 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00639 - 0.01428), b=3.13 (3.01 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.2 ±0.2 se; based on diet studies.
Generation time: 54.9 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Weerstandsvermogen (Ref.
120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (tm=14-24; K=0.02).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
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