filifer, Akysis Ng [H. H.] & Rainboth [W. J.] 2005:37, Figs. 5-7 [Raffles Bulletin of Zoology Suppl. no. 13; ref. 28353] Kandal, Tonle Sap, fishing lot 8, 22 miles upstream from Phnom Penh, 11°44'N, 104°50'E, Cambodia. Holotype (unique): UMMZ 235728. Type catalog: Ferraris 2007:16 [ref. 29155]. •Valid as Akysis filifer Ng & Rainboth 2005. •Valid as Pseudobagarius filifer (Ng & Rainboth 2005) -- (Ferraris 2007:16 [ref. 29155], Kottelat 2013:220 [ref. 32989], Ng & Kottelat 2021:328 [ref. 38407], Taki et al. 2021:297 [ref. 39830]). Current status: Valid as Pseudobagarius filifer (Ng & Rainboth 2005). Akysidae: Akysinae. Distribution: Southeast Asia: Mekong River basin, Cambodia and Vietnam. Habitat: freshwater.