15881 Parioglossus raoi (Herre, 1939) Microdesmidae Wormfishes Ptereleotrinae Gobiiformes Teleostei Rao's hover goby Indo-West Pacific: Arabian Gulf and the Gulf of Oman (Ref. 11441) to Fiji, north to the Ryukyu Islands, south to Indonesia. Recently recorded from Tonga (Ref. 53797).