Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser demersal; tiefenbereich 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.
Length at first maturity / Size / Gewicht / Alter
Geschlechtsreife: Lm 27.7 range ? - ? cm
Max length : 41.0 cm TL Männchen/unbestimmt; (Ref. 27437); max. veröff. Alter: 57 Jahre (Ref. 39247)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 14; Afterflossenstacheln: 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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 0.9 - 5.9, mean 3.9 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Trophic level (Ref.
69278): 3.4 ±0.4 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (K=0.18; tmax=57).
Prior r = 0.11, 95% CL = 0.07 - 0.16, Based on 4 full stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
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