tyoni, Rhinogobius Suzuki [T.], Kimura [S.] & Shibukawa [K.] 2019:23, Figs. 1-3 [Bulletin of the Kanagawa Prefectural Museum (Natural Science) No. 48; ref. 36545] Maruyama-gawa River, Nakanogo, Toyooka, Hyogo Prefecture, Japan, 35°29'34.1"N, 134°48'38.8"E. Holotype: OMNH-P 5882. Paratypes: KPM, OMNH. •Valid as Rhinogobius tyoni Suzuki, Kimura & Shibukawa 2019 -- (Kunimatsu & Fuke 2021:12 [ref. 38471], Ozaki et al. 2021:6 [ref. 38929], Parenti 2021:364 [ref. 38603]). Current status: Valid as Rhinogobius tyoni Suzuki, Kimura & Shibukawa 2019. Oxudercidae: Gobionellinae. Distribution: Southeast Asia: coasts of Seto Inland Sea, Osaka Bay and Kii Channel, and Maruyama-gawa River drainage, Hyogo Prefecture (Japan). Introduced elsewhere in Japan. Habitat: freshwater.