Common names from other countries
Classification / Names / Names
俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS
Environment: milieu / climate zone / depth range / distribution range
生态学
大洋性; 溯河洄游 (Ref. 75906); 深度上下限 0 - 250 m (Ref. 356). ; 90°N - 7°S, 46°E - 130°E
Indo-West Pacific and Asia Inland Waters: Neophocaena phocaenoides phocaenoides: Persian Gulf, South China Sea, East China Sea, Indonesia, Philippines, Turtle Islands, Sulu Sea; Neophocaena phocaenoides sunameri: China, Korea, Japan, East China Sea; Neophocaena phocaenoides asiaeorientalis: Yangtze River, China (Ref. 1522). Found in tropical to warm temperate coastal waters (Ref. 81021).
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 140.0, range 135 - 145 cm Max length : 227 cm TL 雄鱼/尚未辨别雌雄; (Ref. 81030)
Found in both fresh and marine. Feeds on small fishes, squids and shrimps; also ingests some plant material including leaves and rice (Ref. 1394). In 2006, a population survey was able to record a total of 300 individuals of Neophocaena phocaenoides asiaeorientalis, as experts provide an estimate of 1,400 individuals based on the said survey. This is considered a 50% decline from the survey done in 1991 (Ref. 85336).
主要参考文献
参考文献 | 合作者 | 合作者
Tan, J.M.L. 1995. (Ref. 936)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 商业性
FAO - 渔业: landings, 物种外形 | FishSource | 周边海洋
工具
网络资源
Estimates based on models
Preferred temperature
(Ref.
115969): 24.4 - 29.2, mean 28.3 (based on 1892 cells).
回复力
高度, 族群倍增时间少于 15个月 (K=0.71-0.74; tm=5).
脆弱性
High vulnerability (57 of 100).
价格分类
Unknown.