Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; kisaran kedalaman 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 / Size / Weight / umur
Maturity: Lm ? range ? - ? cm Max length : 30.0 cm TL jantan/; (Ref. 8812); Berat maksimum terpublikasi: 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).
rujukan utama
Acuan | Koordinator | mitra
Barrett, R.T. and F. Rikardsen. 1992. (Ref. 4091)
Status IUCN Red List (Ref. 130435)
status CITES (Ref. 108899)
Not Evaluated
Not Evaluated
penggunaan manusia
| FishSource |
Alat, peralatan
Sumber internet
Estimates based on models
Preferred temperature
(Ref.
115969): 0.5 - 11.8, mean 6.8 (based on 976 cells).
Daya lenting
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (K=8.27-39.05).
keancaman
Low vulnerability (20 of 100).
kategori harga
Unknown.
