分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Chondrostei >
Acipenseriformes (Sturgeons and paddlefishes)
鱘形目 (Sturgeons and paddlefishes) >
Acipenseridae (Sturgeons)
鱘科 (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).
More on author: Hilgendorf.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 溯河洄游 (Ref. 51243). 溫帶; 56°N - 33°N, 125°E - 145°E (Ref. 54262)
Northwest Pacific: Bering Sea, Tumnin (Datta) river, to northern Japan and Korea. This species was formerly regarded to be a population of Acipenser medirostris (Ref. 6866).
西北太平洋: 白令海, Tumnin(Datta) 河，到日本北部與韓國。 這種從前被視為當一個 中吻鱘〔Acipenser medirostris〕 的族群。 (參考文獻 6866) 國際間的買賣限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 12218)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 33 - 40; 臀棘: 0; 臀鰭軟條: 22 - 30. Body shields in 5 rows; dorsal shields 7 to 11, lateral 22 to 36 and ventral 10.
身體在 5 列中遮蔽; 背甲 7 到 11, 側面的 22 到 36 與腹面 10.
Commercially cultured in Japan (Ref. 6866). From April to May adults feed in fresh water and return to the ocean during the fall (Ref. 12218). Generation time: 15 years (Ref. 116373).
商業地在日本養殖。 (參考文獻 6866) 從四月到五月成魚在淡水覓食而且在秋天時返回大海。 (參考文獻 12218)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Eggs are laid from April to August under the substrate in sandy areas (Ref. 12218).西北太平洋: 白令海, Tumnin(Datta) 河，到日本北部與韓國。 這種從前被視為當一個 中吻鱘〔Acipenser medirostris〕 的族群。 (參考文獻 6866) 國際間的買賣限制 ( 引用2, 自從 1.4.98 以後; 公分 附錄 2).
Birstein, V.J., 1993. Sturgeons and paddlefishes: threatened fishes in need of conservation. Conserv. Biol. 7:773-787. (Ref. 6866)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (A2bc; C2a(i,ii)); Date assessed: 14 September 2019
人類使用
漁業: 低經濟; 養殖: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 13.6 - 20.1, mean 18.3 °C (based on 34 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00142 - 0.00736), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
