Aarn and W. Ivantsoff, 2009
Citation Aarn and W. Ivantsoff, 2009. Description of a new subfamily, genus and species of a freshwater atherinid, Bleheratherina pierucciae (Pisces: Atherinidae) from New Caledonia. Aqua Int. J. Ichthyol. 15(1):13-28.
DOI http://dx.doi.org/
Paper URL
E-mail wivantso@rna.bio.mq.edu.au
Address Department of Biological Sciences, Macquarie University, North Ryde Australia, 2019. P.O. Box 3753 Marsfield NSW 2122, Australia.
Ref. No. 80665
Language English
Usage used in part
Remarks Abstract: Bleheratherina pierucciae is described from Tontouta (26°56.9’S 166°14’E) and Pirogues Rivers, New Caledonia. The new species has been compared with other Indo-Pacific atherinids, both freshwater and marine (representatives of genera Atherinason, Atherinomorus, Atherinosoma, Atherion, Craterocephalus, Hypoatherina, Kestratherina, Leptatherina and Stenatherina) and an atherionid (Atherion). Dyer & Chernoff’s (1996) division of Atherinidae into three subfamilies has been briefly reviewed and a fourth subfamily, Bleheratherininae, is now added to this list since the new species is distinct and different from all known atherinids. Bleheratherina pierucciae can be immediately recognised by the unusual structure of its mouthparts. Other distinct osteological characters confirm that it merits a subfamilial status. The evolutionary history of this new species must have commonality with the Australian coastal and marine fishes, having probably been derived from a common ancestor likely to have occurred in a marine environment i.e. Arafura Sea. The zoogeographic events, which led to the separation of New Caledonia from Australia and its emergence as a separate island, post Palaeocene, must have led to a divergence of the ancestral fauna which invaded the freshwaters of New Caledonia.
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