Abstract
Callogobius sclateri (Steindachner) is newly recorded from Japan;Callogobius moroanus (Seale) is synonymized with Callogobius hasseltii (Bleeker) and Callogobius snyderi (Fowler) is synonymized with Callogobius okinawae (Snyder), after comparison with the types.Therefore the species of Callogobius found in Japan are five species: C.snelliusi Koumans, C.sclateri, C.hasseltii, C.okinawae and C.tanegasimae (Snyder).
