Aves |
Pelecaniformes |
Sulidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 15 m (Ref. 126751). Subtropical
Indo-Pacific and Western Central Atlantic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 80.0 cm TL hane/ej könsbestämd; (Ref. 84934); publicerad maxvikt: 1.8 kg (Ref. 356)
Culmen: 12.7 cm; tarsus: 4.23 cm; wing: 41.91 cm.
Total Length: 64 to 74 cm; Wingspan: 132 to 150 cm (Ref. 8812). Pelagic (Ref. 356). Typically feeds inshore. Colonial breeder on marine islands. Gregarious; freely perches on buoys (Ref. 91362). Capture prey by plunge-diving (Refs. 356, 91362). Maturity at over 2 to 3 years (Ref. 91362).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Li, X. 1990 Seabirds in China. Bulletin of Biology 4:8-11. (Ref. 78638)
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=9.33-21.22).
Fishing Vulnerability
Moderate to high vulnerability (52 of 100).
Price category
Unknown.