This larva is Cirripectes quagga (Fowler & Ball, 1924) . Japanese common name is "Marcus-Mino-kaeruuo". It has been distributed in South Japan too, but for some reason of ecology photo report seems not yet. It was shooting at Okinawa mainland in late May. This ecology photo might first be at Japan. TL: about 36mm Meristic Characters - D Ⅶ, 15; A Ⅱ, 16; P 1 15; P 2 Ⅰ,4; C ⅱ, 9, ⅱ; V 10+21. (*Nakabo, T. (ed.), 2013) soft rays of the caudal fin is branch off. Fluorescent green dye has been distributed in the pectoral fins. REFERENCES: Nakabo, T. (ed.), 2013 . Fishes of Japan with pictorial keys to the species, third edition. Tokai University Press, Kanagawa, Pp, 2428. (in Japanese). Okiyama M. (ed), 2014 An Atlas of Early Stage Fishes in Japan Second Edition Tokai University Press, Japan. :Pp,1912. (in Japanese).