Mammalia |
Carnivora |
Otariidae
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
深海底的. Subtropical; 0°N - 90°S, 180°W - 180°E
Eastern Pacific and Southwest Atlantic: Arctocephalus australis gracilis: Peru, southern Brazil, Uruguay, Argentina, Chile (Ref. 1394, 1522); vagrant to Colombia and Juan Fernandez Islands (Ref. 1522); Arctocephalus australis australis: Falkland Islands (Ref. 1522). Tropical to temperate climates.
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm Max length : 190 cm TL 雄鱼/尚未辨别雌雄; (参考文献 1394); 140 cm TL (female); 最大体重: 200.0 kg (参考文献 1394); 最大体重: 200.0 kg
Inhabits primarily coastal, continental shelf and slope waters; and there are records from more than 600 km offshore. Feeds on small schooling fish and invertebrates such as cephalopods, crustaceans and gastropods. Found primarily coastal, continental shelf and slope waters; there are records from more than 600 km offshore. Feeds on small schooling fish and invertebrates such as cephalopods, crustaceans and gastropods (Ref. 1394).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Pups are born in dense breeding colonies. Perinatal attendance averages one week, then mothers forage offshore several days at a time. Upon arrival from sea, mother and pup reunites using vocalization signals and olfactory cues, i.e., naso-nasal contact. Lactation lasts at least 12 months.
主要参考文献
参考文献 | 合作者 | 合作者
Jefferson, T.A., S. Leatherwood and M.A. Webber 1993 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. (参考文献 1394)
世界自然保护联盟红皮书
(参考文献 130435: Version 2025-2 (Global))
对人类的威胁
人类利用
渔业: 商业性
FAO - 渔业: 物种外形, landings search; Publication: search | FishSource | 周边海洋
工具
网络资源
基于模型的估算
回复力
(Ref. 69278): |
中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.3) |
渔业脆弱性
(参考文献 71543) |
High to very high vulnerability (72 of 100). |
价格分类
(参考文献 80766): |
Unknown. |
