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The New Zealand triplefin Grahamina signata (Teleostei; Tripterygiidae): A junior synonym of G.gymnota from Tasmania
Citatie
Clements K (2016): The New Zealand triplefin Grahamina signata (Teleostei; Tripterygiidae): A junior synonym of G.gymnota from Tasmania. v1.0. No organisation. Dataset/Occurrence. https://nzobisipt.niwa.co.nz/resource?r=nztriplefin_gymnota&v=1.0

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Beschikbaarheid: Creative Commons License Deze dataset valt onder een Creative Commons Naamsvermelding 4.0 Internationaal-licentie.

Beschrijving
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. meer

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.

Scope
Thema's:
Biologie > Vis
Kernwoorden:
Marien/Kust, PSE, Australia, Tasmania, PSE, New Zealand, Forsterygion Whitley & Phillipps, 1939

Geografische spreiding
PSE, Australia, Tasmania
PSE, New Zealand [Marine Regions]

Spreiding in de tijd
1950 - 2000

Taxonomic coverage
Forsterygion Whitley & Phillipps, 1939 [WoRMS]

Parameter
Voorkomen van soorten

Bijdrage door
Museum of New Zealand Te Papa Tongarewa, meer
National Institute of Water and Atmospheric Research (NIWA), meer
University of Auckland, meerdata creator

Gerelateerde datasets
Gepubliceerd in:
NZOBIS: Southwestern Pacific Ocean Biodiversity Information System, meer

Dataset status: Afgelopen
Data type: Data
Data oorsprong: Onderzoek: veldonderzoek
Metadatarecord aangemaakt: 2017-01-16
Informatie laatst gewijzigd: 2017-01-16
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