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A Review of the Triplefin Fish Genus Enneapterygius (Blennioidei:Tripterygiidae) in the Western Indian Ocean, with Descriptions of Four New Species
註釋The fishes of the tripterygiid genus Enneapterygius of the western Indian Ocean (excluding Sri Lanka) are reviewed. Four new species, E. elaine, E. gruschkai, E. genamaculatus, and E. kosiensis are described and several species are redescribed. Enneapterygius elaine is known only from Rodrigues, E. gruschkai, a medium-sized species, is known from the Comoro Islands, Mauritius, St. Brandon Shoals, and the Chagos Archipelago; E. genamaculatus is known only from St. Brandon Shoals and E. kosiensis is known only from the northern KwaZulu-Natal coast. The first and last two species are small species, less than 23 mm SL. A key is provided for the 17 species recognised in the region.