A review of the Leucogaster species complex of the Indo-pacific pomacentrid genus Amblyglyphidodon, with descriptions of two new species

Gerald R. Allen and John E. Randall

aqua, International Journal of Ichthyology, pp. 139-152, Volume 5, Issue 4 – July 2002


The Indo-Pacific pomacentrid Amblyglyphidon leucogaster was previously thought to consist of several distinct geographic colour variations. However, the present study indicated there is a complex of four species: A. leucogaster (Bleeker) from the western Pacific and eastern edge of the Indian Ocean, A. orbicularis (Hombron & Jacqinot) from Samoa, Fiji, and New Caledonia, and two new species described herein – A. indicus from the Red Sea and Indian Ocean, and A. melanopterus from Tonga. The members of the leucogaster complex are mainly differentiated by a combination of colour pattern and gill-raker counts. A key to the species of Amblyglyhidon is included.

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