分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 居于水底的; 溯河洄游 (Ref. 51243). 温带; 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，到日本北部与韩国。 这种从前被视为当一个 中吻鲟〔Acipenser medirostris〕 的族群。 (参考文献 6866) 国际间的买卖限制 ( CITES2, 自从 1.4.98 以后; CMS 附录 2).
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 150 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12218)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 33 - 40; 臀棘: 0; 臀鳍软条: 22 - 30. Body shields in 5 rows; dorsal shields 7 to 11, lateral 22 to 36 and ventral 10.
身体在 5 列中遮蔽; 背甲 7 到 11, 侧面的 22 到 36 与腹面 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).
商业地在日本养殖。 (参考文献 6866) 从四月到五月成鱼在淡水觅食而且在秋天时回车大海。 (参考文献 12218)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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，到日本北部与韩国。 这种从前被视为当一个 中吻鲟〔Acipenser medirostris〕 的族群。 (参考文献 6866) 国际间的买卖限制 ( CITES2, 自从 1.4.98 以后; CMS 附录 2).
Birstein, V.J., 1993. Sturgeons and paddlefishes: threatened fishes in need of conservation. Conserv. Biol. 7:773-787. (Ref. 6866)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (A2bc; C2a(i,ii)); Date assessed: 14 September 2019
人类利用
渔业: 低经济; 养殖: 商业性
工具
特别资料
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网络资源
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).
营养阶层 (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
