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Gygis alba   (Sparrman, 1786)

White tern
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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 Nombres comunes | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Charadriiformes (Shorebirds) > Laridae ()

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

.   Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Introducciones

Indo-Pacific and Atlantic Ocean

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm Max length : 33.0 cm TL macho / no sexado; (Ref. 8812); peso máximo publicado: 160.00 g (Ref. 356)

Short description Morfología

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

Biología     Glosario (por ej. 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).

Main reference Referencias | Coordinador | Colaboradores

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

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 17 August 2022

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses


| FishSource |

Herramientas

Más información

Nombres comunes
Sinónimos
Despredadores
Reproducción
Madurez
Puesta
Fecundidad
Huevos
Egg development
Age/Size
Crecimiento
Length-weight
Length-length
Morfología
Larva
Abundancia
Referencias
Mass conversion

Fuentes de Internet

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Árbol de la vida | Wikipedia (Go, búsqueda) | Expediente Zoológico

Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 29.3, mean 27.9 (based on 1736 cells).
Resiliencia (Ref. 69278) Alto, población duplicada en un tiempo mínimo inferior a 15 meses (K=27.09).
Vulnerability (Ref. 71543): Low vulnerability (23 of 100).
Price category (Ref. 80766): Unknown.