Aves |
Charadriiformes |
Alcidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 49 m (Ref. 61676). Polar; 70°N - 32°N, 135°E - 126°W (Ref. 125423)
Northern Pacific and the Arctic: Alaska, Kuril Islands, Canada, USA. Polar to subtropical.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cmpublicerad maxvikt: 258.00 g (Ref. 356)
Culmen: 1.55 cm; tarsus: 3.0 cm; wing: 15.17 cm.
Pursuit diving; open ocean; less productive waters; preys on jellyfish (Ref. 356).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly and J. van Hertum (eds.) 2007 Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. CD-ROM. Reading (UK): Species 2000. (Ref. 3125)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans Life cycleReproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Resiliens
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=37.6).