Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 0 - 740 m (Ref. 50610). Temperate
North Pacific: 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
Maturity: 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
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).
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)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 0.9 - 5.9, mean 3.9 °C (based on 236 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00499 - 0.02004), 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).
Prior r = 0.06, 95% CL = 0.04 - 0.10, Based on 2 stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
