fumidus, Ompok Tan [T. H. T.] & Ng [P. K. L.] 1996:537, Figs. 3, 4C [Raffles Bulletin of Zoology v. 44 (no. 2); ref. 22755] North Selengor peat swamp forest, 43 kilometers on road from Tanjung Malim to Sungai Besar, Selangor, Malaysia. Holotype: ZRC 15049. Paratypes: ZRC 15050-52 (3). Plus additional material. Type catalog: Ferraris 2007:372 [ref. 29155]. •Valid as Ompok fumidus Tan & Ng 1996 -- (Tan & Ng 1999:285 [ref. 24254], Ng & Tan 2004:9 [ref. 27846], Ferraris 2007:372 [ref. 29155], Ng 2008:60 [ref. 29884], Ng 2013:164 [ref. 32814], Kottelat 2013:235 [ref. 32989], Ng et al. 2019:531 [ref. 36606]). Current status: Valid as Ompok fumidus Tan & Ng 1996. Siluridae. Distribution: Southeast Asia: Thailand, Malaya (Malaysia). Habitat: freshwater.