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Species Diversity
Abstract
An argulid branchiuran, Argulus quadristriatus Devaraj and Ameer Hamsa, 1977 , is reported on the basis of specimens of both sexes isolated from two species of goatfish [Upeneus tragula Richardson, 1846 and Parupeneus ciliatus (Lace-pède, 1802) (Perciformes: Mullidae)] and the goby Favonigobius reichei (Bleeker, 1854) (Perciformes: Gobiidae) collected in Kagoshima Bay and off both the east and west coasts of Okinawa-jima island, southern Japan. The branchiuran is easily distinguished from its nine previously recorded congeners in Japanese waters by the presence of one posterior spine on the antennule and scales ornamenting the basal half of the mouthtube. These are the first records of this branchiuran from the North Pacific Ocean including Japanese waters, and the three fish species mentioned above are new hosts for it.
We thank Dr Yuji Ikeda (Biological Laboratory), Mr Koji Abe (Ginowan City), Mrs Yukari Kashiwagi (Kagoshima City Aquarium), Dr Ryuta Yoshida and Mr Shota Samejima (University of the Ryukyus) for providing specimens, and Mr Akinobu Isobe (Higashi-Sakurajima Fishery Cooperative) for his lecture of the local language of Kagoshima. Part of this work was supported by Japan Society for the Promotion of Science (JSPS) KAKENHI Grant No. JP15H06517.
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