Actinopteri (ray-finned fishes) > Perciformes/Scorpaenoidei
(Scorpionfishes) > Sebastidae
(Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335); pinniger: From the Latin pinna and gero, connoting 'fin' and 'to bear' (Ref. 27436) More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range - 838 m (Ref. 55644), usually 90 - 270 m (Ref. 36715). Subtropical; 0°C - ; 61°N - 31°N, 154°W - 116°W
Eastern Pacific: south of the Shelikof Strait in the Gulf of Alaska to Cape Colnett, Baja California, Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm 44.0, range 27 - 54 cm
Max length : 76.0 cm FL male/unsexed; (Ref. 3496); max. published weight: 4.5 kg (Ref. 4699); max. reported age: 84 years (Ref. 39247)
soft rays: 7. Head spines strong to moderate - nasal, preocular, supraocular, postocular, tympanic and parietal spines present, coronal and nuchal spines absent (Ref. 27437). Scales on lower jaw embedded; anal fin with a strong anterior slant (Ref. 27437). Caudal fin strongly indented (Ref. 6885). Bright yellow to orange mottled on a gray background; 3 orange stripes across head; fins orange; specimens less than 35.56 cm with dark markings on posterior part of spinous dorsal; gray along lateral line (Ref. 27437).
Adults hover in loose groups above rocky bottoms (Ref. 27436). Pelagic juveniles are found in shallower water (Ref. 27436). Feed on small fishes and krill (Ref. 2850). Viviparous, with planktonic larvae (Ref. 36715). Validated age by radiometry is 44 yrs (Ref. 49687). Flesh is of good quality (Ref. 27436). Sold as fillets (Ref. 27436).
Ovoviviparous (Ref. 6885).
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. 124695)
Fisheries: commercial; gamefish: yes; aquarium: public aquariums
Estimates based on models
Preferred temperature (Ref. 115969
): 4.7 - 8.3, mean 5.9 °C (based on 144 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00468 - 0.01948), 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
): 3.8 ±0.61 se; based on food items.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (tm=7; tmax=84; Musick et al. 2000 (Ref. 36717
); Fec=85,000 (annual fecundity)).
Vulnerability (Ref. 59153
): High vulnerability (62 of 100) .
Nutrients (Ref. 124155
): Calcium = 49.6 [18.5, 150.0] mg/100g ; Iron = 0.773 [0.368, 1.871] mg/100g ; Protein = 18.7 [17.5, 19.8] % ; Omega3 = 0.704 [0.315, 1.711] g/100g ; Selenium = 97.8 [32.6, 291.6] μg/100g ; VitaminA = 18.5 [7.1, 50.3] μg/100g ; Zinc = 0.446 [0.260, 0.833] mg/100g (wet weight); based on nutrient studies.