Rhinogobius mizunoi is a species of fish in the in the family Oxudercidae. It is found in a freshwater stream in Shizuoka Prefecture, Japan. Size This species reaches a length of . Etymology The fish is named in honor of Nobuhiko Mizuno, former professor of Ehime University (Japan), for his contribution to the knowledge of the ecology of freshwater fishes in Japan, particularly gobies of the Rhinogobius species. References mizunoi Fish of Japan Taxa named by Toshiyuki Suzuki Taxa named by Koichi Shibukawa Taxa named by Masahiro Aizawa Fish described in 2017