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DNA barcoding highlights a cryptic species of grenadier Macrourus in the Southern Ocean

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Although three species of the genus Macrourus are recognized in the Southern Ocean, DNA sequencing of the mitochondrial COI gene revealed four well-supported clades. These barcode data suggest the presence of an undescribed species, a conclusion supported by meristic and morphometric examination of specimens.

Keywords: Antarctic fisheries; COI; mitochondrial DNA; species identification

Document Type: Research Article


Affiliations: 1: Canadian Centre for DNA Barcoding, Biodiversity Institute of Ontario, University of Guelph, 50 Stone Road East, Guelph, Ontario, N1G 2W1 Canada 2: National Institute of Water & Atmospheric Research Ltd, Private Bag 14 901, Wellington, New Zealand 3: Museum of New Zealand Te Papa Tongarewa, P.O. Box 467, Wellington, New Zealand 4: Departamento de Ciencias Marinas, Universidad Nacional de Mar del Plata, and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Funes 3350, B7602AYL, Argentina 5: Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia 6: Wealth from Oceans Flagship, CSIRO Marine and Atmospheric Research, GPO Box 1538, Hobart, Tasmania 7001, Australia

Publication date: January 1, 2011

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