Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 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 / Μέγεθος / Βάρος / Age
Maturity: Lm 27.7 range ? - ? cm
Max length : 41.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 27437); μεγ. αναφερόμενη ηλικία: 57 έτη (Ref. 39247)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 14; Εδρικές άκανθες: 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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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 (0.00499 - 0.02004), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.4 ±0.4 se; based on diet studies.
Ελαστικότητα (Ref.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (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).
