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Molecular genetic evidence for a new species of bream of the genus Acanthopagrus Peters (Perciformes: Sparidae)


Hurt, AC and Murphy, NP and Patil, JG and Austin, CM, Molecular genetic evidence for a new species of bream of the genus Acanthopagrus Peters (Perciformes: Sparidae), Asian Fisheries Science, 14 pp. 427-435. ISSN 0116-6514 (2001) [Refereed Article]

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Copyright 2001 Asian Fisheries Society

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Fishes of the genus Acanthopagrus are found throughout the coastal waters of Asia and Australia with several species being of commercial significance. In this study, genetic comparisons are made between widely disjunct populations of Acanthopagrus australis (GŁnther) from Australian and Taiwanese waters and among samples of A. butcheri (Munro), A. berda, (Forskal), A schlegeli (Day) and A. latus (Houttuyn) using mitochondrial DNA sequences obtained for the control region. The mean interspecific pairwise sequence divergence for all species is 17%, while the divergence between A. australis from Australia and that of Taiwan is slightly larger at 18%. These values are considerably higher than those found for intraspecific control region comparisons in some fish species. Phylogenetic analyses indicate that A. australis from Australia is more closely related to the Australian species A. butcheri than to A. australis from Taiwan. These findings suggest that the northern and southern hemisphere forms of A. australis are not monophyletic, with the former possibly representing a new undescribed species of Acanthopagrus.

Item Details

Item Type:Refereed Article
Research Division:Biological Sciences
Research Group:Evolutionary biology
Research Field:Animal systematics and taxonomy
Objective Division:Environmental Management
Objective Group:Management of Antarctic and Southern Ocean environments
Objective Field:Biodiversity in Antarctic and Southern Ocean environments
UTAS Author:Patil, JG (Dr Jawahar Patil)
ID Code:96253
Year Published:2001
Deposited By:NC Ports and Shipping
Deposited On:2014-10-28
Last Modified:2015-04-09

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