The New Zealand triplefin Grahamina signata (Teleostei; Tripterygiidae): A junior synonym of G.gymnota from Tasmania

Ocorrência
Versão mais recente published by Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node on ago. 8, 2018 Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node

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Descrição

The triptcrygiid fish Grahamina signata Fricke & Roberts, 1993 was described from 174 specimens collected from several exposed locations around the coast of New Zealand. It was distinguished from the Tasmanian G. gymnota (Scott 1977) by the number of pored scales in the lower lateral line, the number of branches of the supraorbital tentacle, and the colouration of the pectoral-fin base.Examination of new material of G. signata from the Auckland region, and re-examination of type material of G. gymnota, show that the supraorbital tentacle and lower lateral line are not differences of taxonomic significance. Pectoral fin colouration in a published underwater photo of G. gymnota suggests that the colour difference was due to the effects of preservation. We therefore refer G. signata to the synonymy of G. gymnota. This synonymy, in combination with the restricted Tasmanian distribution and dispersal capabilities of the species, suggests that G. gymnota was introduced to Tasmania from New Zealand.

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Versões

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Como citar

Pesquisadores deveriam citar esta obra da seguinte maneira:

Clements K (2016): The New Zealand triplefin Grahamina signata (Teleostei; Tripterygiidae): A junior synonym of G.gymnota from Tasmania. v1.1. Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node. Dataset/Occurrence. https://nzobisipt.niwa.co.nz/resource?r=nztriplefin_gymnota&v=1.1

Direitos

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O editor e o detentor dos direitos deste trabalho é Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF Registration

Este recurso foi registrado no GBIF e atribuído ao seguinte GBIF UUID: d22f7b9a-d2d5-42d2-8b44-adb09b338a25.  Southwestern Pacific Ocean Biogeographic Information System (OBIS) Node publica este recurso, e está registrado no GBIF como um publicador de dados aprovado por Ocean Biodiversity Information System.

Palavras-chave

Occurrence; Observation

Contatos

Kendall Clements
  • Originador
  • Ponto De Contato
  • School of Biological Sciences
University of Auckland
  • Private Bag 92019
Auckland
NZ
Kevin Mackay
  • Provedor Dos Metadados
  • Marine Data Manager
NIWA
  • Private Bag 14-901
Wellington
NZ
Laith Jawad
  • Autor
  • School of Biological Sciences
University of Auckland
  • Private Bag 92019
Auckland
NZ
Andrew Stewart
  • Autor
  • Scientist
Museum of New Zealand Te Papa Tongarewa
  • P.O. Box 467
Wellington
NZ

Cobertura Geográfica

New Zealand and Tasmania

Coordenadas delimitadoras Sul Oeste [-46,929, -176,3], Norte Leste [-35,267, 147,258]

Cobertura Taxonômica

Tripterygiid triplefins of the Genus Grahamina

Espécie Grahamina gymnota, Grahamina capito, Grahamina nigripenne

Métodos de Amostragem

We attempted to identify material examined to genus and species following Fricke & Roberts (1993) and Fricke (1994). Counts and measurements follow Hubb & Lagler (1958). Measurements were performed with digital calipers. Lateral line scale counts included all pored scales. Supraorbital tentacle counts included tentacles greater in length than width. Where possible, lateral line scales and supraorbital tentacles were counted on both sides of the body (thus each specimen has two counts).

Área de Estudo Northern New Zealand (esp. Auckland region) and Tasmania

Descrição dos passos do método:

  1. The total sample sizes of specimens examined for various characters. It was not possible to count pored scales in the lower lateral line of many of the Whatipu G. signata specimens. These pored scales are visible against the darker background pigmentation in darker coloured males and in specimens preserved for a length of time, but not in the lighter coloured females from the Whatipu site.

Citações bibliográficas

  1. Kendall D. Clements , Laith A. Jawad & Andrew L. Stewart (2000) The New Zealand triplefin Grahamina signata (Teleostei; Tripterygiidae): A junior synonym of G. gymnota from Tasmania, Journal of the Royal Society of New Zealand, 30:4, 373-383, DOI: 10.1080/03014223.2000.9517629 http://dx.doi.org/10.1080/03014223.2000.9517629

Metadados Adicionais

marine, harvested by iOBIS

Identificadores alternativos d22f7b9a-d2d5-42d2-8b44-adb09b338a25
https://nzobisipt.niwa.co.nz/resource?r=nztriplefin_gymnota