sulcatus, Clarias Ng [H. H.] 2004:290, Figs. 1, 2a [Ichthyological Exploration of Freshwaters v. 15 (no. 4); ref. 27992] Stream on east slope of west ridge, Pulau Redang, Terengganu, Malaysia. Holotype: ZRC 22665. Paratypes: ZRC 22666 (1), 22717 (1). Type catalog: Ferraris 2007:147 [ref. 29155], Ng & Kim 2008:42 [ref. 29920]. •Valid as Clarias sulcatus Ng 2004 -- (Ferraris 2007:147 [ref. 29155], Ng & Hadiaty 2011:1584 [ref. 31220], Kottelat 2013:244 [ref. 32989]). Current status: Valid as Clarias sulcatus Ng 2004. Clariidae. Distribution: Terengganu, Malaysia. Habitat: freshwater.