|
Carnivora |
Otariidae
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Tầng đáy biển sâu. Subtropical; 45°N - 13°N, 140°W - 180°E
Eastern Central Pacific: USA and Mexico.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm Max length : 190 cm TL con đực/không giới tính; (Ref. 1394); 140 cm TL (female); Khối lượng cực đại được công bố: 170.0 kg (Ref. 1394); Khối lượng cực đại được công bố: 170.0 kg
Dusky black with lighter ventrum. Gray head and shoulders, black nose with brown-red hair around the eyes. Guard hairs are white-tipped in adult males. Claws present in 5 fingers and absent on the 1st and 5th toes. Cartilaginous webbing extends past the claws. Females have 2 pairs abdominal nipples.
Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Both male and female territorial. Extralimital sightings in California corresponds with El Niño events (Ref. 1394).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Breeds near or in caves marked by the male as his territory. Mating occurs postpartum. Pups nurse for 9 to 11 months during which nursing females fast for an average of 5 days.
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Threat to humans
Human uses
Các nghề cá: Tính thương mại
FAO - Các nghề cá: species profile | FishSource | Biển chung quanh ta
Các công cụ
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 2.1 - 4, mean 3.1 (based on 48 cells).
Vulnerability
Very high vulnerability (90 of 100).
Price category
Unknown.