bucculentus, Tukugobius Herre [A. W. C. T.] 1927:121, Pl. 8 (fig. 4) [Monographs, Bureau of Science Manila Monogr. 23; ref. 2104] Creek at Santa Fe, Nueva Vizcaya Province, Luzon Island, Philippines. Holotype: BSMP 11543 (destroyed, seen by Koumans). Paratypes: (45) BSMP 12399 (1) and 26563-70 (9) destroyed, seen by Koumans. Type catalog: Koumans 1940:183 [ref. 2676]. •Synonym of Rhinogobius similis Gill 1859 -- (Okada 1961:659 [ref. 6363]). •Valid as Tukugobius bucculentus Herre 1927 -- (Endruweit 2017:558 [ref. 35366]). •Valid as Rhinogobius bucculentus (Herre 1927) -- (Kottelat 2013:424 [ref. 32989], Takahashi & Okazaki 2017:[3] [ref. 35171], Suzuki et al. 2017:80 [ref. 35202], Suzuki et al. 2020:23 [ref. 37412], Maeda et al. 2021:96 [ref. 38763], Jamandre 2023:169 [ref. 40455]). Current status: Valid as Rhinogobius bucculentus (Herre 1927). Gobiidae: Gobionellinae. Distribution: Southeast Asia: Luzon (Philippines) endemic. Habitat: freshwater.