Images of juveniles of the two species of Chaenogobius on the coasts of Kyushu, southern Japan: A Chaenogobius annularis, fresh specimen, KPM-NI 42964 (photo number KPM-NR 179226), 17.6 mm SL, collected at rockpool environment in Usuki City, Oita Prefecture B Chaenogobius gulosus, fresh specimen, un-catalogued specimen (personal collection number, UMNB-I 3941), 19.2 mm SL, collected with seine net at a small beach in Totoro Port, Nobeoka City, Miyazaki Prefecture, April 2017 C Chaenogobius gulosus, swimming individuals in Tomioka Port, Reihoku Town, Amakusa, Kumamoto Prefecture, May 2017. Photos by A. Murase.