dukai, Silurus Day [F.] 1873:239 [Proceedings of the Zoological Society of London 1873 (pt 1) (art. 4) (for 4 Mar. 1873); ref. 18824] Darjeeling, India. Syntypes: AMS B.7571 (1); ZSI 1118 (1, lost), 1232 (1, lost). Type catalog: Whitehead & Talwar 1976:157 [ref. 23762], Ferraris et al. 2000:296 [ref. 25110], Ferraris 2007:377 [ref. 29155]. Reasons for loss of ZSI type specimens during WWII see Chopra 1947:349-350 [ref. 33077]. •Synonym of Silurus afghana Günther 1864 -- (Kobayakawa 1989:157 [ref. 13476]). •Synonym of Silurus gangeticus [sic for gangelicus] (Peters 1861) -- (Menon 1999:220 [ref. 24904]). •Referred to genus Pterocryptis -- (Bornbusch 1991:1076 [ref. 16547], Burgess & Finley 1996:164 [ref. 22901]). •Synonym of Pterocryptis gangelicus Peters 1861 -- (Ferraris 2007:377 [ref. 29155]). Current status: Synonym of Pterocryptis gangelica Peters 1861. Siluridae. Habitat: freshwater.