Journal
JOURNAL OF FISH BIOLOGY
Volume 88, Issue 5, Pages 1811-1834Publisher
WILEY
DOI: 10.1111/jfb.12947
Keywords
centre of overlap; dwarfgoby; Indo Australian Archipelago; Indo Malay Archipelago; systematics
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Funding
- Brunei Darussalam Department of Fisheries (Ministry of Industry and Primary Resources)
- American Museum of Natural History - Lerner Gray Award
- Louis Stokes Alliance for Minority Participation
- McNairs Scholars Program at Texas A&M University - Corpus Christi
- Paine Family Trust
- Walton Family Foundation
- Henry Foundation
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Here, multi-locus sequence data are coupled with observations of live colouration to recognize a new species, Eviota punyit from the Coral Triangle, Indian Ocean and Red Sea. Relaxed molecular clock divergence time estimation indicates a Pliocene origin for the new species, and the current distribution of the new species and its sister species Eviota sebreei supports a scenario of vicariance across the Indo-Pacific Barrier, followed by subsequent range expansion and overlap in the Coral Triangle. These results are consistent with the 'centre of overlap' hypothesis, which states that the increased diversity in the Coral Triangle is due in part to the overlapping ranges of Indian Ocean and Pacific Ocean faunas. These findings are discussed in the context of other geminate pairs of coral reef fishes separated by the Indo-Pacific Barrier. (C) 2016 The Fisheries Society of the British Isles
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