Luposicya lupus
 Luposicya lupus is a species of goby native to the Indian Ocean and the western Pacific Ocean. This species lives on large fan-shaped or floppy sponges growing on reefs at depths down to 15 metres (49 ft). This species grows to a length of 3.5 centimetres (1.4 in) SL. This species is the only known member of its genus.