Aves |
Anseriformes |
Anatidae
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
Others; 淡水; 半咸淡水; 深度上下限 0 - 5 m (参考文献 115854). Subtropical
Western Atlantic and Northeast Pacific: Winters along Pacific coast from Aleutian Islands to Mexico, across S USA along Gulf coast, N to New England, Greater Antilles.
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm Max length : 39.0 cm TL 雄鱼/尚未辨别雌雄; (参考文献 94965); 最大体重: 403.50 g (参考文献 356)
Culmen: 2.7 cm; tarsus: 3.125 cm; wing: 16.5 cm.
Depth range based on occurrence in Chesapeake Bay (Ref. 115854). To be replaced with a better reference. Surface diving; dabbling; coastal. Winters along Pacific coast from Aleutian Islands to Mexico, across South of USA along Gulf coast, North to New England, Greater Antilles (Ref. 356). Feeds on small snails, insects and animal larvae in freshwater habitats, and clams, snails, amphipods and worms in marine ecosystems (Ref. 94965). Common diving depth of 1 to 5 m (Ref. 115854).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
主要参考文献
参考文献 | 合作者 | 合作者
SAUP Database 2006 SAUP Database. www.seaaroundus.org. (参考文献 356)
世界自然保护联盟红皮书
(参考文献 130435: Version 2025-2 (Global))
Not Evaluated
Not Evaluated
对人类的威胁
人类利用
FAO - Publication: search | FishSource |
工具
网络资源
基于模型的估算
渔业脆弱性
(参考文献 71543) |
Low to moderate vulnerability (29 of 100). |
价格分类
(参考文献 80766): |
Unknown. |
