Aves |
Pelecaniformes |
Sulidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 10 m (Ref. 59262). Subtropical; 22°C - ? (Ref. 84934); 23°N - 24°S, 39°E - 6°W
Indo-Pacific, Atlantic Ocean and the Arctic: from Mozambique east to northern Australia and Colombia and Brazil, north to Hawaii and south to Pitcairn Islands.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 77.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 1.5 kg (Ref. 356)
Culmen: 8.47 cm; tarsus: 3.5 cm; wing: 40.7 cm.
Total Length: 66 to 77 cm; Wingspan: 91 to 101 cm (Ref. 8812). Wingspan: 152 cm. The smallest booby (Ref. 91362). Causes of decrease in population is human exploitation, habitat destruction especially in the Western Indian Ocean, predation by rats, and tourism disturbance (84934). Found <200 m offshore, over deep waters (Ref. 356). Colonial breeder in trees on marine islands. Gregarious; freely approaches ships, undertaking long foraging trips (Ref. 91362). Exhibits plunge diving (Ref. 356). Maturity at past 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=8.78-18.23).
Fishing Vulnerability
Moderate to high vulnerability (51 of 100).
Price category
Unknown.