nudiceps, Pseudobagrus Sauvage [H.-E.] 1883:145 [Bulletin de la Société philomathique de Paris (7th Série) v. 7; ref. 3896] Lake Biwa, Japan. Holotype (unique): MNHN A-6525. Type catalog: Bertin & Estève 1950:31 [ref. 19575], Ferraris 2007:101 [ref. 29155]. Also appeared in Sauvage 1883:155 [p. 12 of separate] [ref. 14348] with locality wrongly as Siam (see Kottelat 2000:86 [ref. 25486]). •Synonym of Pseudobagrus aurantiacus (Temminck & Schlegel 1846), but a valid subspecies nudiceps Sauvage 1883 -- (Kuroda 1953:274 [ref. 39545]). •Valid as Pseudobagrus nudiceps Sauvage 1883 -- (Watanabe & Maeda 1995:419 [ref. 22171], Watanabe 1998:264 [ref. 23491], Nakabo 2000:278 [ref. 25086], Nakabo 2002:278 [ref. 26001], Watanabe & Nishida 2003:140 [ref. 26822]). •Valid as Pelteobagrus nudiceps (Sauvage 1883) -- (Okada 1961:582 [ref. 6363], Kottelat 1984:811 [ref. 11440], Sawada in Masuda et al. 1984:59 [ref. 6441], Burgess 1989:68 [ref. 12860], Mo 1991:136 [ref. 19952], Sato 1995:52 [ref. 25531], Sato et al. 1998:38 [ref. 24972], Matsuura et al. 2000:179 [ref. 26000], Ferraris 2007:100 [ref. 29155]). •In Tachysurus -- (see Bogutskaya et al. 2008:340 [ref. 30085]). •Valid as Tachysurus nudiceps (Sauvage 1882) -- (Ng 2009:24 [ref. 30544], Shao & Zhang 2022:Table 4 [ref. 39199]). Current status: Valid as Tachysurus nudiceps (Sauvage 1883). Bagridae. Distribution: Japan. Habitat: freshwater.