Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; গভীরতার পরিসীমা 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 / আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm Max length : 30.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 8812); সবের্াচ্চ প্রকাশিত ওজন : 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 |
হাতিয়ার
ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature
(Ref.
115969): 0.5 - 11.8, mean 6.8 (based on 976 cells).
স্থিতিস্থাপক
উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (K=8.27-39.05).
Vulnerability
Low vulnerability (20 of 100).
Price category
Unknown.
