candidianus, Ctenogobius Regan [C. T.] 1908:153 [Annals and Magazine of Natural History (Series 8) v. 1 (no. 2) (art. 24); ref. 14338] Lake Candidius, Taiwan. Syntypes: (10) BMNH 1908.5.27.29-33 (5), SMNS 4380 (5 of 13). Type catalog: Ho & Shao 2011:56 [ref. 31432]. •Synonym of Rhinogobius similis Gill 1859 -- (Okada 1961:659 [ref. 6363] as candidius). •Synonym of Rhinogobius brunneus (Temminck & Schlegel 1845) -- (Vasil'eva 1998:146 [ref. 23591] as candidius). •Valid as Rhinogobius candidianus (Regan 1908) -- (Chen & Shao 1996:206 [ref. 22202], Ho & Shao 2011:56 [ref. 31432], Zhang et al. 2016:201 [ref. 34477], Takahashi & Okazaki 2017:[3] [ref. 35171], Suzuki et al. 2017:80 [ref. 35202], Parenti 2021:355 [ref. 38603], Chen et al. 2022:40 [ref. 39617]). Current status: Valid as Rhinogobius candidianus (Regan 1908). Oxudercidae: Gobionellinae. Distribution: Western Pacific: Taiwan. Habitat: freshwater, brackish, marine.