rapidus, Microphysogobio Chae [B.-S.] & Yang [H.-J.] 1999:17, Figs. 1-2 [Korean Journal of Biological Sciences v. 3 (no. 1); ref. 24129] Yong-gang River (tributary of Naktong River), Toegang-ri, Sabol-myon, Sangju-shi, Kyongsangbuk-do, South Korea (36°31'49"N, 128°16'01"E). Holotype: BEKU 15025. Paratypes: BEKU 15001-15010 (10), 15011-15014 (4), 15015-15024 (10). •Valid as Microphysogobio rapidus Chae & Yang 1999 -- (Kim & Yang 1999:8 [ref. 25425], Kim & Park 2002:150 [ref. 25913], Choi et al. 2003:157, 511 [ref. 26218], Ying et al. 2011:61 [ref. 31333], Jiang et al. 2012:212 [ref. 32321]). Current status: Valid as Microphysogobio rapidus Chae & Yang 1999. Gobionidae. Distribution: Korea. Habitat: freshwater.