20 January 2012
Leucothoidae, Ryukyus, Okinawa, Japan, new species, commensal, Leucothoe akaoni, Leucothoe bise, Leucothoe daisukei, Leucothoe hashi, Leucothoe lecroyae, Leucothoe nagatekubi, Leucothoe nurunuru, Leucothoe ouraensis, Leucothoe togatta, Leucothoe toribe, Leucothoe zanpa
Commensal leucothoid amphipods have been collected from the canals of their sponge hosts throughout the Ryukyu Archipelago, Japan. Eleven new species are described in the genus Leucothoe with valuable location data and host records. An identification key to sponge-dwelling Leucothoidae of the Ryukyu Archipelago is provided.