分類 / Names
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Perciformes/Scorpaenoidei (Scorpionfishes) >
Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335); variabilis: Name is presumed to be referring to the wide range of body color of the species..
More on author: Pallas.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の; 深さの範囲 6 - 675 m (Ref. 53613), usually 100 - 300 m (Ref. 53613). Subtropical
North Pacific: Japan, east coast of Kamchatka to Cape Ol'utorskii in western Bering Sea, along the Aleutian Islands to 60°N in the eastern Bering Sea, through the Gulf of Alaska south to Johnstone Strait, British Columbia and to central Oregon.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 36.5  range ? - ? cm
Max length : 43.1 cm SL オス/雌雄の選別がない; (Ref. 53613); 最大記録サイズ: 50 年 (Ref. 93327)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 13 - 14; 背鰭 (合計): 13-16; 肛門の骨 3; 臀鰭: 7 - 9; 脊つい: 28 - 29. This species is distinguished by the following characters: body light yellow to greenish brown to gray, typically greenish brown, with orange flecks present on sides, distinctly light ventrally above anal-fin base and on ventral pectoral-fin rays; peritoneum light gray to jet black; strong symphyseal knob; extrinsic swimbladder muscle with a single section of striated muscle, lacking anterior fascia, otherwise of type I (a-z) of Hallacher (1974); lateral-line pores 43-54, scales 47-63; pectoral-fin rays 16-19; anal-fin rays 7-9; dorsal-fin rays 13-16; vertebrae total 28-29 (11-12 + 16-18) (Ref. 53613).
Collection depth between 6-370 m, deepest recorded depth at 675 m. Large adults common along the edge of the continental shelf at 100-300 m where the species is targeted for commercial use. Captured in the offshore trawl fishery. Males and females captured by trawl surveys vary widely in maturity during the summer (May-July) (Ref. 53613).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Orr, J.W. and J.E. Blackburn, 2004. The dusky rockfishes (Teleostei: Scorpaeniformes) of the North Pacific Ocean: resurrection of Sebastes variabilis (Pallas, 1814) and a redescription of Sebastes ciliatus (Tilesius, 1813). Fish. Bull. 102:328-348. (Ref. 53613)
Human uses
水産業: 商業
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 0.5 - 6.2, mean 3.2 °C (based on 368 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00587 - 0.01627), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常に低い, 14年以上の倍増期間の最小個体群 (K=0.2; tm=9.2; tmax=50).
Prior r = 0.20, 95% CL = 0.13 - 0.30, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).