Species that contain: Tridentiger and kuroiwae [ 2 ] records

brevispinis, Tridentiger obscurus Katsuyama [I.], Arai [R.] & Nakamura [M.] 1972:600, Pl. 2 (figs. 1-4) [Bulletin of the National Science Museum (Tokyo) v. 15 (no. 4); ref. 7620] Minato River, Chiba Prefecture, Japan. Holotype: NSMT-P 14549. Paratypes: NSMT-P 14400 (2), 14407 (2), 14411 (2), 14423 (4), 14438 (1), 14445 (12), 14449 (3), 14495 (11), 14548 (4), 14550-54 (1, 2, 19, 26, 2), 14558 (3). •Synonym of Tridentiger kuroiwae Jordan & Tanaka 1927, but a valid subspecies as described -- (Kawanabe & Mizuno 1989:606 [ref. 25598], Mashiko & Yamane 1993:363 [ref. 22459], Pietsch et al. 2001:146 [ref. 25688], Bogutskaya et al. 2001:47 [ref. 26178], Kim & Park 2002:384 [ref. 25913]). •Synonym of Tridentiger obscurus (Temminck & Schlegel 1845), but a valid subspecies as described -- (Reshetnikov et al. 1997:757 [ref. 24702], Vasil'eva 1998:147 [ref. 23591]). •Valid as Tridentiger brevispinis Katsuyama, Arai & Nakamura 1972 -- (Akihito in Masuda et al. 1984:271 [ref. 6441], Takahashi 1996:2 [ref. 24363], Kim 1997:459 [ref. 24032], Takahashi et al. 1997:49 [ref. 24971], Sato et al. 1998:43 [ref. 24972], Nakabo 2000:1257 [ref. 25182], Matsuura et al. 2000:242 [ref. 26000], Nakabo 2002:1257 [ref. 26193], Choi et al. 2003:400, 666 [ref. 26218], Yonezawa & Shinomiya 2002:2 [ref. 26563], Hagiwara 2003:40 [ref. 27188], Vasil'eva 2003:S53 [ref. 28444], Bogutskaya & Naseka 2004:236 [ref. 28183], Shedko & Chereshnev 2005:453 [ref. 30089], Matsui et al. 2014:7 [ref. 33344], Parin et al. 2014:505 [ref. 33547], Dyldin & Orlov 2017:193 [ref. 35257], Kim et al. 2020:175 [ref. 39118], Dyldin et al. 2021:37 [ref. 38804]). Current status: Valid as Tridentiger brevispinis Katsuyama, Arai & Nakamura 1972. Oxudercidae: Gobionellinae. Distribution: Northwestern Pacific: Japan, Korea and Russia. Habitat: freshwater, brackish, marine.

kuroiwae, Tridentiger Jordan [D. S.] & Tanaka [S.] 1927:276, Pl. 23 (figs. 1-3) [Annals of the Carnegie Museum v. 17 (no. 2); ref. 15796] Yakkachi River, Amami-Oshima Island, Ryukyu Islands, Japan. Holotype: FMNH 59181 [ex CM 8324]. Paratypes: (9) FMNH 59182 [ex CM 8325] (9), ?CAS-SU 23668 (5). Type catalog: Henn 1928:97 [ref. 12305], Böhlke 1953:118 [ref. 12291], Ibarra & Stewart 1987:84 [ref. 12367]. •Valid as Tridentiger kuroiwae Jordan & Tanaka 1927, subspecies kuroiwae -- (Kawanabe & Mizuno 1989:608 [ref. 25598]). •Synonym of Tridentiger obscurus (Temminck & Schlegel 1845) -- (Okada 1961:655 [ref. 6363], Vasil'eva 1998:147 [ref. 23591]). •Valid as Tridentiger kuroiwae Jordan & Tanaka 1927 -- (Akihito in Masuda et al. 1984:272 [ref. 6441], Nakabo 2000:1258 [ref. 25182], Sakai et al. 2001:120 [ref. 25693], Nakabo 2002:1258 [ref. 26193], Yonezawa & Shinomiya 2002:2 [ref. 26563], Yonezawa et al. 2010:260 [ref. 30902], Motomura et al. 2010:220 [ref. 31256], Cui et al. 2013:177 [ref. 32726]). Current status: Valid as Tridentiger kuroiwae Jordan & Tanaka 1927. Oxudercidae: Gobionellinae. Distribution: Western North Pacific. Habitat: freshwater.