Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologia
. Tropical; 33°N - 37°S, 104°E - 12°E
Indo-Pacific and Atlantic Ocean.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm Max length : 39.0 cm TL macho/indeterminado; (Ref. 8812); Peso máx. publicado: 144.00 g (Ref. 356)
Culmen: 3.72 cm; tarsus: 2.5 cm; wing: 23.5 cm.
Total Length: 35 to 39 cm; Wingspan: 66 (Ref. 8812) to 76 cm (Refs. 84934, 91362). Total population is over 200,000 pairs (Ref. 84934). Coastal to <10 km offshore (Ref. 356). Found on coastal rock, and over sea (Ref. 83946). Breeds annually in dense colonies, preferably in bushes and trees in Atlantic and Pacific Oceans (Ref. 84934). They are double-brooded. When there is danger, alarm calls are given by adults and chicks respond by crouching in place (Ref. 87784). Highly pelagic. Typically feeds far out at sea in large, gregarious flocks over shoals of predatory fish (Ref. 91362). Exhibits dipping and surface-seizing foraging behavior (Ref. 356). Feed mainly by dipping, hovering and picking from or just below the surface of the water. Also, shallow-plunging (Ref. 126735).
Lusk, M.R., P. Bruner and C. Kessler. 2000. (Ref. 5591)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Categoria CITES (Ref. 108899)
Not Evaluated
Not Evaluated
Utilização humana
| FishSource |
Ferramentas
Fontes da internet
Estimates based on models
Preferred temperature
(Ref.
115969): 24.2 - 29.3, mean 28.2 (based on 2178 cells).
Resiliência
Elevada, tempo mínimo de duplicação da população menor que 15 meses (K=42.36).
Vulnerabilidade
Low to moderate vulnerability (29 of 100).
Categoria de preço
Unknown.