Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 0 - 1200 m (Ref. 50550). Deep-water; 61°N - 34°N, 135°E - 120°W
North Pacific: southern Japan to southeastern Kamchatka to Navarin Canyon in the Bering Sea, Stalemate and Bowers Banks and the Aleutian Islands south to Point Conception, California, USA.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 47.0  range ? - ? cm
Max length : 108 cm TL mannelijk / geslacht onbekend; (Ref. 27437); max. gepubliceerd gewicht: 16.2 kg (Ref. 40637); max. gerapporteerde leeftijd: 157 Jaren (Ref. 39247)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 13; Dorsale zachte stralen (totaal) : 13; Anale stekels: 3; Anale zachte stralen: 7; Wervels: 26. Head spines strong to moderate - nasal, preocular, supraocular, postocular, tympanic, coronal (may be absent), parietal and nuchal spines present (Ref. 27437). Less than 2 spines on lower orbital rim; very large pores on lower jaw (Ref. 27437). Caudal fin moderately indented (Ref. 6885). Reddish pink to orange red; mouth red and may have black blotches (Ref. 27437).
Body shape (shape guide): fusiform / normal.
Found on soft bottoms (Ref. 2850). Viviparous (Ref. 34817).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Sportvis: ja
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00659 - 0.01589), b=3.10 (2.97 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
4.3 ±0.3 se; based on diet studies. |
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Generation time |
36.6 ( 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 (tmax=157; k=0.04). |
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Rate of population increase |
Prior r = 0.04, 95% CL = 0.03 - 0.06, Based on 2 full stock assessments. |
Kwetsbaarheid van de visserij (Ref. 59153) |
High to very high vulnerability (74 of 100). 🛈 |