Common names from other countries
Classification / Names / Names
Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS
Environment: milieu / climate zone / depth range / distribution range
Ökologie
. Tropical
Pacific Ocean and Western Central Atlantic.
Length at first maturity / Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm Max length : 81.0 cm TL Männchen/unbestimmt; (Ref. 8812); max. veröff. Gewicht: 2.9 kg (Ref. 356)
Wing: 20.3 cm.
Total Length: 79 to 89 cm (Ref. 8812). Total annual breeding population of some 362,000 pairs representing about 1,200,000 to 1,400,000 birds (Ref. 84934). Occurs over open ocean (Refs. 356, 122680). Mainly feeds at night and often far from breeding colony. Forages with conspecifics, but rarely with other species. Seizes prey from the surface while sitting on the water. Scavenges on carrion and follows fishing boats. Diet consists mainly of squid as well as deep-water crustaceans, fish and flyingfish eggs (Ref. 122680).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Breeding birds arrive at the islands in the first week of November, egg laying starts late November to early December. Eggs start to hatch in late January to early February, and by the second week of August all birds have fled the island (Ref. 96995).
Lepage, D. 2007. (Ref. 7816)
IUCN Rote Liste Status (Ref. 130435)
CITES Status (Ref. 108899)
Not Evaluated
Not Evaluated
Nutzung durch Menschen
| FishSource |
Tools
Internet Quellen
Estimates based on models
Widerstandsfähigkeit
hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=3.4-9.56).
Verwundbarkeit
Moderate to high vulnerability (52 of 100).
Preiskategorie
Unknown.
