Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 740 m (Ref. 50610). Temperate; 62°N - 48°N, 153°E - 123°W
North Pacific: Kurile Islands to eastern Kamchatka to Pervenets Canyon in the Bering Sea and from Stalemate Bank to Graham Island (Queen Charlotte Islands), British Columbia, Canada.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 27.7  range ? - ? cm
Max length : 41.0 cm TL mannelijk / geslacht onbekend; (Ref. 27437); max. gerapporteerde leeftijd: 57 Jaren (Ref. 39247)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 14; Anale stekels: 3. Head spines very weak - nasal spines present, preocular, postocular and parietal spines usually present, supraocular, tympanic, coronal and nuchal spines absent (Ref. 27437). The only rockfish in the eastern Gulf of Alaska with 14 dorsal fin spines; second anal fin spine as long as the 3rd (Ref. 27437). Top of head convex between eyes (Ref. 27437). Dark red with gray mottling and orange flecks; lower edge of pectoral fin white (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
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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=0.01000 (0.00495 - 0.02022), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.4 se; based on diet studies. |
Weerstandsvermogen (Ref. 120179) |
Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (K=0.18; tmax=57). |
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Rate of population increase |
Prior r = 0.11, 95% CL = 0.07 - 0.16, Based on 4 full stock assessments. |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |