Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Mức độ sâu 0 - 60 m (Ref. 62202), usually 20 - 30 m (Ref. 62202). Polar; 83°N - 24°N, 85°W - 71°E (Ref. 124582)
Arctic, Northern Atlantic and the Mediterranean. Boreal to polar.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm Max length : 30.0 cm TL con đực/không giới tính; (Ref. 8812); Khối lượng cực đại được công bố: 381.00 g (Ref. 356)
Culmen: 4.56 cm; tarsus: 2.88 cm; wing: 17.21 cm.
Total Length: 28 to 30 cm; Wingspan: 53 to 58 cm (Ref. 8812). Occupy the continental shelf; <100 km; exhibits plunge-diving feeding behavior (Ref. 356). In the North Sea off the east coast of Scotland and northern England, this species is known to feed on the sandeel, Ammodytes marinus and breeding birds spend approx. 80% of daylight period at sea, commonly in dense rafts. They form nesting colonies with breeding pairs sharing incubation and chick-rearing duties; surface-feeding by scooping prey from the water, they carry prey in their bills and feed their chicks with regurgitated food (Ref. 95711).
Barrett, R.T. and F. Rikardsen. 1992. (Ref. 4091)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Human uses
| FishSource |
Các công cụ
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 0.5 - 11.8, mean 6.8 (based on 976 cells).
Thích nghi nhanh
Chiêù cao, thời gian nhân đôi của chủng quần tối thiểu là dưới 15 tháng (K=8.27-39.05).
Vulnerability
Low vulnerability (20 of 100).
Price category
Unknown.