obscurus, Bagrichthys Ng [H. H.] 1999:546, Figs. 1-2 [Revista de Biología Tropical v. 47 (no. 3); ref. 24406] Lam Chi, 1.5 kilometers below highway 23 bridge, 4 kilometers west of Selaphum, Roi Et Province, Thailand. Holotype: USNM 317511. Paratypes: CAS 92580 (2), 96567 (1); UMMZ 186765 (3), 214485-86 (1, 1), 214914 (2), 214917-18 (1, 2), 224509 (3), 232307 (2); USNM 103201 (2), 297111 (24), 315897 (1). Plus non-type specimens. Type catalog: Ferraris 2007:83 [ref. 29155]. •Valid as Bagrichthys obscurus Ng 1999 -- (Kottelat 2001:122 [ref. 25780], Ng 2002:49 [ref. 26074], Ferraris 2007:83 [ref. 29155], Philasamorn & Satrawaha 2009:9 [ref. 30192], Kottelat 2013:257 [ref. 32989], Taki et al. 2021:282 [ref. 39830]). Current status: Valid as Bagrichthys obscurus Ng 1999. Bagridae. Distribution: Southeast Asia: Chao Phraya and Mekong River basins, Thailand, Laos, Cambodia and Vietnam. Habitat: freshwater.