Mammalia |
Carnivora |
Otariidae
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
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.
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm Max length : 190 cm TL 雄魚/尚未辨別雌雄; (參考文獻 1394); 140 cm TL (female); 最大體重: 200.0 kg (參考文獻 1394); 最大體重: 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).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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.
主要參考資料
參考文獻 | 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. (參考文獻 1394)
IUCN 瀕危狀態
(參考文獻 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 28 January 2016
CITES狀態 (參考文獻 108899)
對人類具威脅
人類使用
漁業: 商業性
FAO - 漁業: 魚種描繪, landings search; Publication: search | FishSource | 周邊海洋
工具
網路資源
基於模型的估計
回復力
(Ref. 69278): |
中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.3) |
釣魚的脆弱性
(參考文獻 71543) |
High to very high vulnerability (72 of 100). |
價格種類
(參考文獻 80766): |
Unknown. |
