Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; kisaran kedalaman 0 - 120 m (Ref. 62202). Polar; 82°N - 27°N, 80°W - 43°E (Ref. 124582)
Northwest Atlantic, Eastern Atlantic and the Arctic: Polar to temperate.
Length at first maturity / Size / Weight / umur
Maturity: Lm ? range ? - ? cm Max length : 45.0 cm TL jantan/; (Ref. 8812); Berat maksimum terpublikasi: 719.00 g (Ref. 356)
Culmen: 3.45 cm; tarsus: 2.963 cm; wing: 21.13 cm.
Total Length: 40 to 45 cm; Wingspan: 63 to 66 cm (Ref. 8812). Found along coasts; <15 km (Ref. 356). In the North Sea off the east coast of Scotland and northern England, this species primarily forage inshore and feed on the sandeel, Ammodytes marinus (Ref. 95711). Known to be pursuit divers (Ref. 356). They surface-feed by scooping prey from the water and also able to exploit the water column by diving; carrying prey in their bills back to their colony. In nesting colonies, breeding pairs share incubation and chick-rearing duties. Adults feed their chicks with regurgitated food (Ref. 95711).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Breeds from northern Europe east to Russia, Iceland, Greenland, and coastal North America from Baffin Island south to the Maritime Provinces and Maine. Winters from Greenland south even to South Carolina, and in Europe to the Mediterranean. Eggs are laid from early June to early August (Ref. 87872).
rujukan utama
Acuan | Koordinator | mitra
Camphuysen, C.J.K. 1998. (Ref. 7319)
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): 2.3 - 12.7, mean 8.1 (based on 1259 cells).
Daya lenting
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (K=20.71-50.32).
keancaman
Low to moderate vulnerability (35 of 100).
kategori harga
Unknown.
