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Ichthyological Research

, Volume 64, Issue 2, pp 212–220 | Cite as

A new species of labrid fish Oxycheilinus samurai from the western Pacific Ocean

  • Yoshino Fukui
  • Nozomu Muto
  • Hiroyuki Motomura
Full Paper

Abstract

A new species of labrid fish Oxycheilinus samurai sp. nov. is described on the basis of five specimens from the Ryukyu Islands, Japan, and Panay Island, the Philippines. The new species is most similar to the Indo-West Pacific species Oxycheilinus orientalis in having a slender compressed body, 12 pectoral-fin rays, a blackish blotch around the anterior portion of the lateral-line anterior series, and a dark blotch basally on the membrane between the first and second dorsal-fin spines. However, O. samurai can be distinguished from O. orientalis by the following combination of characters: gill rakers 4 + 7–8; snout rounded with maximum circumference 49.8–63.5 % of standard length (SL); interorbital width 7.7–9.2 % of SL; caudal-peduncle depth 13.8–15.3 % of SL; posterior margin of caudal fin white; black or dark red area just before white posterior margin of caudal fin; poorly defined blackish blotches on inner surface of opercle in preserved specimens.

Keywords

Teleostei Perciformes Wrasse Taxonomy Morphology New species 

Notes

Acknowledgements

We are especially grateful to T. Uchida, S. Hiruta, and Y. Hashimoto (Ishigaki, Japan) and U. Alama, R. Babaran, and the staff of UPVMI for kindly collecting type specimens; K. Nishiyama (Kobe, Japan) for providing underwater photographs of O. samurai; J. Maclaine and R. Britz (BMNH), A. Suzumoto, L. O’Hara, J. Randall, and R. Pyle (BPBM), S. Kimura (FRLM), P. Pruvost, Z. Gabsi, L.-M. Duque Vélez, and P. Béarez (MNHN), M. Gomon and D. Bray (NMV), M. Nakae (NSMT), and G. Moore and M. Allen (WAM) for loans of comparative material; and G. Hardy (Ngunguru, New Zealand) for reading the manuscript and providing help with English. The first author thanks M. Gomon (NMV) for providing information and X-ray photos of O. orientalis, and H. Fukui and M. Fukui (Kushikino, Japan) and H. Ikegami and I. Ikegami (Akune, Japan) for their kind support throughout this study, which was also supported in part by JSPS KAKENHI Grant Numbers JP26241027, JP24370041, JP23580259, JP26840131, and JP26450265; the JSPS Core-to-Core Program, “Research and Education Network on Southeast Asian Coastal Ecosystems”; the “Coastal Area Capability Enhancement in Southeast Asia Project” of the Research Institute for Humanity and Nature, Kyoto, Japan; the “Biological Properties of Biodiversity Hotspots in Japan” project of the National Museum of Nature and Science, Tsukuba, Japan; and “Establishment of Research and Education Network on Biodiversity and Its Conservation in the Satsunan Islands” project of Kagoshima University, adopted by the Ministry of Education, Culture, Sports, Science and Technology, Japan. This study was partly conducted under a Memorandum of Agreement for joint research made by and among the Department of Agriculture of the Republic of the Philippines (DA), the University of the Philippines Visayas (UPV), the Kagoshima University Museum, the Research Institute for Humanity and Nature, and Tokai University, facilitated by S. L. Sanchez [Bureau of Fisheries and Aquatic Resources (BFAR), DA]. P. J. Alcala (DA) provided a Prior Informed Consent Certificate and I. P. Cabacaba and S. M. S. Nolasco (BFAR, DA) provided a fish specimen Export Certificate (No. 2016-39812). We thank the staff of the Office of the Vice-Chancellor for Research and Extension, UPV, UPV Museum of Natural Sciences, College of Fisheries, UPV, including R. P. Babaran, S. S. Garibay, U. B. Alama, V. G. Urbina, L. H. Mooc, C. J. N. Rubido, E. P. Abunal, A. M. T. Guzman, R. S. Cruz, A. C. Gaje, and R. F. M. Traifalgar, and graduate students of the College of Fisheries, UPV, for their support to this research collaboration.

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Copyright information

© The Ichthyological Society of Japan 2016

Authors and Affiliations

  1. 1.The United Graduate School of Agricultural SciencesKagoshima UniversityKagoshimaJapan
  2. 2.Department of Marine Biology and Sciences, School of BiologyTokai UniversitySapporoJapan
  3. 3.The Kagoshima University MuseumKagoshimaJapan

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