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Gygis alba   (Sparrman, 1786)

White tern
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No photo available for this species.
No drawings available for Laridae.


Norfolk Island country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: C: Ref. 89276.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Holdaway, R.N., T.H. Worthy and A.J.D. Tennyson, 2001
National Database:

Common names from other countries

Classification / Names / Names Nomes comuns | Sinônimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Charadriiformes (Shorebirds) > Laridae ()

Environment: milieu / climate zone / depth range / distribution range Ecologia

.   Tropical

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Introduções

Indo-Pacific and Atlantic Ocean

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm Max length : 33.0 cm TL macho/indeterminado; (Ref. 8812); Peso máx. publicado: 160.00 g (Ref. 356)

Descrição suscinta Morfologia

Culmen: 3.2 cm; tarsus: 1.44 cm; wing: 25.2 cm.

Biologia     Glossário (p.ex. epibenthic)

Total Length: 28 to 33 cm; Wingspan: 70 to 87 cm (Ref. 8812). Coastal (Ref. 356). Exclusively marine. Breeds at many tropical and subtropical oceanic islands (Ref. 91362). Solitary breeder; uniquely, lays a single egg on tree branch without any nest. Inquisitive; hovers around nest site in presence of human intruders (Ref. 91362). Exhibits dipping behavior (Ref. 356) or surface diving (Ref. 122680). Feeds mainly on fish (Refs. 81748, 122680) driven to the surface by large, predatory fish (Ref. 122680). Diet consists mostly of juvenile goatfish and flying fish (Ref. 122680).

Referência principal Referências | Coordenador | Colaboradores

Stiles, F.G. 1984. (Ref. 5856)

Status na Lista Vermelha da IUCN (Ref. 130435)

  Segura ou pouco preocupante (LC) ; Date assessed: 17 August 2022

Status no CITES (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Uso pelos humanos


| FishSource |

Ferramentas

Mais informação

Nomes comuns
Sinônimos
Predadores
Reprodução
Maturidade
Desova
Fecundidade
Ovos
Desenvolvimento dos ovos
Idade/Tamanho
Crescimento
Comprimento-peso
Comprimento-comprimento
Morfologia
Larvas
Abundância
Referências
Mass conversion

Fontes da internet

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genoma, nucleotídeo) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Árvore da vida | Wikipedia (Ir para, procura) | Registro zoológico

Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 29.3, mean 27.9 (based on 1736 cells).
Resiliência (Ref. 69278) Elevada, tempo mínimo de duplicação da população menor que 15 meses (K=27.09).
Vulnerabilidade (Ref. 71543): Low vulnerability (23 of 100).
Categoria de preço (Ref. 80766): Unknown.