First Specimen-Based Record of Epinephelus Quoyanus (Perciformes: Serranidae) from Okinawa Prefecture, Japan
Biogeography 18. 47–52. Sep. 20, 2016 First specimen-based record of Epinephelus quoyanus (Perciformes: Serranidae) from Okinawa Prefecture, Japan Harutaka Hata1*, Mio Nishimura2 and Hiroyuki Motommura3 1 The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan 2 Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan 3 The Kagoshima University Museum, 1-21-30 Korimoto, Kagoshima 890-0065, Japan Abstract. A single specimen of Epinephelus quoyanus (Valenciennes, 1830), collected from the Kerama Islands, represents the first specimen-based record from the Ryukyu Islands, thereby confirming the distribu- tion of the species in that region. At 312.3 mm standard length, the specimen, described in detail, is the largest recorded for the species. Key words: groupers, distribution, fish fauna, new record, taxonomy, morphology Introduction as SL. All measurements were made with digital calipers to the nearest 0.1 mm. Institutional codes The serranid fish genus Epinephelus Bloch, 1793 used in this study are as follows: Kyoto University is currently represented in Japanese waters by 43 Museum, Kyoto (FAKU); the Kagoshima University species (Senou, 2013, Fujiwara et al., 2015). Among Museum (KAUM); Kanagawa Prefectural Museum these, Epinephelus quoyanus (Valenciennes, 1830) of Natural History, Odawara (KPM); Kochi Senior has been reliably reported from Izu-oshima island, High School, Kochi (KSHS; currently transferred Wakayama and Kochi prefectures, and Yaku-shima to National Museum of Nature and Science, Tsuku- island, although its distribution in waters off the ba); and Okinawa Churashima Foundation, Motobu Ryukyu Islands has been uncertain (Senou, 2013).
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