We are grateful for the generous support provided by the NSMT, JSPS, MOE, and PMBC. We express our thanks to Somchai Bussarawit, Head of the Reference Collection Unit, PMBC; to Masanori Nakae (NSMT) and the staff of the PMBC for their special support and cooperation; to Surapong Banchongmanee (PMBC), Tetsuya Sado, Yusuke Murata and Hiromichi Sakakibara (Mie University) for help with field collections; to Surapong Banchongmanee (PMBC), Ashley J. Boyd, Kiyotaka Hatooka (Osaka Museum of Natural History), Koichi Hidaka (University of Miyazaki), Hirokazu Kishimoto (Tokai University), Nobuyuki Kobayashi (Volunteer of Fish Division, Kanagawa Prefectural Museum of Natural History (KPM)), Hiroko Kodato (Volunteer of Fish Division, KPM), Eiji Kozuka (Volunteer of Fish Division, KPM), Kaoru Kuriiwa (NSMT), Kazuhiro Nakaya (Hokkaido University), Teguh Peristiwady (Indonesian Institute of Sciences), Niphon Phongsuwan (PMBC), Mark Sabaj (Academy of Natural Sciences, Philadelphia), Hiroshi Senou (KPM), Takeshi Shimizu, Narongphon Sittithaweephat, Mark Strickland (Fantasea Divers, Phuket), Baramee Temboonkiat, Surakit Visuttiwatthanakorn, Kanit Wangcharoenrung, Richard Winterbottom (Royal Ontario Museum) for providing color photographs; and to Paul Dunlap (University of Michigan) for help with English. Copyrights to the photographs are held by the photographers.