Valenciennea longipinnis, the Long-finned goby, is a species of goby native to the Indian Ocean and the western Pacific Ocean where it can be found in lagoons and areas with substrates of fine sand at depths of mostly less than 3 metres (9.8 ft), occasionally down to 6 metres (20 ft) and rarely deeper than that. This species can reach a length of 18 centimetres (7.1 in) SL. It is of minor importance to local commercial fisheries and can also be found in the aquarium trade.