bifasciatus, Tridentiger Steindachner [F.] 1881:190 [12], Pl. 7 (figs. 2, 2a) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 83 (1. Abth.); ref. 4231] Strielok Bay, Sea of Japan near Vladivostock, Japan Sea. Holotype (unique): NMW 76205. On p. 12 of separate. •Synonym of Tridentiger trigonocephalus (Gill 1859) -- (Berg 1949:1103 [ref. 20662], Lindberg & Krasyukova 1975:348 [ref. 7348], Vasil'eva 1998:148 [ref. 23591]). •Valid as Tridentiger bifasciatus Steindachner 1881 -- (Akihito & Sakamoto 1989:106 [ref. 14124], Kawanabe & Mizuno 1989:608 [ref. 25598], Kim 1997:455 [ref. 24032], Sato et al. 1998:43 [ref. 24972], Fuller et al. 1999:463 [ref. 25838], Nakabo 2000:1256 [ref. 25182], Wang et al. 2001:275 [ref. 26566], Pietsch et al. 2001:146 [ref. 25688], Bogutskaya et al. 2001:47 [ref. 26178], Kim & Park 2002:378 [ref. 25913], Nakabo 2002:1257 [ref. 26193], Choi et al. 2003:400, 666 [ref. 26218], Moyle 2002:437 [ref. 26449], Vasil'eva 2003:S53 [ref. 28444], Kim et al. 2004:56 [ref. 27747], Nelson et al. 2004:173 [ref. 27807], Bogutskaya & Naseka 2004:235 [ref. 28183], Love et al. 2005:163 [ref. 37547], Scharpf 2009:14 [ref. 30400], Page & Burr 2011:618 [ref. 31215], Page et al. 2013:179 [ref. 32708], Cui et al. 2013:188 [ref. 32726], Matsui et al. 2014:7 [ref. 33344], Parin et al. 2014:505 [ref. 33547], Kells et al. 2016:308 [ref. 35888], Dyldin & Orlov 2017:193 [ref. 35257] with question, Shibukawa in Kimura et al. 2018:269 [ref. 36460], Dyldin et al. 2021:37 [ref. 38804], Love et al. 2021:207 [ref. 39279], Bogan 2023:3 [ref. 40723], Verhelst & Verreycken 2023:[2] 1254 [ref. 40967]). Current status: Valid as Tridentiger bifasciatus Steindachner 1881. Gobiidae: Gobionellinae. Distribution: Northwestern Pacific: northern Vietnam and China to Korea, Russia and Japan. Introduced or invaded elsewhere, including California (U.S.A.), Argentina and Belgium. Habitat: freshwater, brackish, marine.