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Multi‐locus sequence data reveal a new species of coral reef goby (Teleostei: Gobiidae: Eviota ), and evidence of Pliocene vicariance across the Coral Triangle
Author(s) -
Tornabene L.,
Valdez S.,
Erdmann M. V.,
Pezold F. L.
Publication year - 2016
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.12947
Subject(s) - vicariance , biology , coral , coral reef , indo pacific , oceanography , biogeography , ecology , phylogeography , geology , phylogenetics , biochemistry , gene
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.