Phylogeography of the pharaoh cuttle Sepia pharaonis based on partial mitochondrial 16S sequence data |
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| Authors: | Frank E Anderson Tooraj Valinassab Chuan-Wen Ho Kolliyil S Mohamed Pillaru K Asokan Gonuguntla S Rao Praulai Nootmorn Cherdchinda Chotiyaputta Malcolm Dunning Chung-Cheng Lu |
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| Institution: | (1) Department of Zoology, Southern Illinois University, Carbondale, IL 62901, USA;(2) Department of Marine Resource Management, Iranian Fisheries Research Organization, Tehran, Iran;(3) Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan;(4) Central Marine Fisheries Research Institute, PO Box 1603, Cochin, 682018, Kerala, India;(5) Central Marine Fisheries Research Institute Regional Centre, Bidia, Veraval, 362265, Gujarat, India;(6) Central Marine Fisheries Research Institute Regional Centre, Ocean View Layout, Visakhapatnam, 530003, Andhra Pradesh, India;(7) Andaman Sea Fisheries Research and Development Center, 77 Tumbon Vichit, Maung District, Phuket, 83000, Thailand;(8) Department of Marine and Coastal Resources, Ministry of Natural Resources and Environment, 92 Paholyothin 7, Bangkok, 10400, Thailand;(9) Department of Primary Industries and Fisheries, Assessment and Monitoring, Fisheries Policy and Sustainability, GPO Box 46, Brisbane, Queensland, 4001, Australia |
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| Abstract: | The pharaoh cuttle Sepia
pharaonis Ehrenberg, 1831 (Mollusca: Cephalopoda: Sepiida) is a broadly distributed species of substantial fisheries importance found
from east Africa to southern Japan. Little is known about S. pharaonis phylogeography, but evidence from morphology and reproductive biology suggests that Sepia
pharaonis is actually a complex of at least three species. To evaluate this possibility, we collected tissue samples from Sepia pharaonis from throughout its range. Phylogenetic analyses of partial mitochondrial 16S sequences from these samples reveal five distinct
clades: a Gulf of Aden/Red Sea clade, a northern Australia clade, a Persian Gulf/Arabian Sea clade, a western Pacific clade
(Gulf of Thailand and Taiwan) and an India/Andaman Sea clade. Phylogenetic analyses including several Sepia species show that S. pharaonis sensu lato may not be monophyletic. We suggest that “S. pharaonis” may consist of up to five species, but additional data will be required to fully clarify relationships within the S. pharaonis complex. |
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| Keywords: | Sepia pharaonis Phylogeography 16S Pharaoh cuttle mtDNA |
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