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Acipenser schrenckii Brandt, 1869

Amur sturgeon
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Image of Acipenser schrenckii (Amur sturgeon)
Acipenser schrenckii
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Chondrostei > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).

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. 26364). 温带; 10°C - 20°C (Ref. 2059)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Asia: Endemic to the Amur River system. Two morphs, brown and gray, represent the species in the Amur River basin. Occurrence in the Sea of Japan (Ref. 11102) needs confirmation.
亚洲: 阿穆尔河流域的特有种。 二个变种, 褐色与灰色,在阿穆尔河流域代表此鱼种。 在日本海 (参考文献 11102) 的发生需要证实。 国际间的买卖限制 ( CITES2, 自从 1.4.98 以后; CMS 附录 2).

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 108.8, range 96 - 125 cm
Max length : 300 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40142); 最大体重: 190.0 kg (Ref. 40142); 最大年龄: 65 年 (Ref. 56448)

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) : 38 - 53; 臀棘: 0; 臀鳍软条: 20 - 32. Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10.
身体在 5 列中遮蔽; 背甲 11 到 15, 侧甲 32 到 47 与腹面 7 到 10.

生物学特性     字汇 (例如 epibenthic)

Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).

用沙质或石质的底部出现于河的支流。 捕食底栖的生物。 评价很高的鱼。 (参考文献 41072)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

The gray morph females in the Amur River reproduce at least every four years (Ref. 40142).亚洲: 阿穆尔河流域的特有种。 二个变种, 褐色与灰色,在阿穆尔河流域代表此鱼种。 在日本海 (参考文献 11102) 的发生需要证实。 国际间的买卖限制 ( CITES2, 自从 1.4.98 以后; CMS 附录 2).

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

IUCN, 1990. 1990 IUCN red list of threatened animals. IUCN, Gland, Switzerland and Cambridge, U.K. 288 p. (Ref. 3881)

世界自然保护联盟红皮书 (Ref. 130435)

  极度濒危 (CR) (A2bd); Date assessed: 15 September 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

对人类的威胁

  无害处的





人类利用

渔业: 商业性
FAO - 渔业: 物种外形; Publication: search | FishSource |

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Trophic ecology
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参考文献

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网络资源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00167 - 0.00434), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.1 se; based on diet studies.
Generation time: 22.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (tm=8-14; Fec=29,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (87 of 100).
价格分类 (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 13.5 [7.7, 23.3] mg/100g; Iron = 0.245 [0.148, 0.387] mg/100g; Protein = 17.5 [15.0, 20.2] %; Omega3 = 0.329 [0.180, 0.595] g/100g; Selenium = 23.9 [12.6, 47.1] μg/100g; VitaminA = 4.56 [1.63, 12.77] μg/100g; Zinc = 0.469 [0.334, 0.657] mg/100g (wet weight);