Species that contain: Mystus and wolffii [ 2 ] records

armiger, Mystus Ng [H. H.] 2004:883, Figs. 1-3 [Copeia 2004 (no. 4); ref. 28016] Kelantan River at Kampung Kuala Besar, 200 meters from the sea, 6°12'N, 102°12'E, Kelantan, Malaysia. Holotype: CAS 218896. Paratypes: CAS 65248 (9). Type catalog: Ferraris 2007:94 [ref. 29155]. •Valid as Mystus armiger Ng 2004 -- (Ferraris 2007:94 [ref. 29155]). •Synonym of Mystus wolffii (Bleeker 1851) -- (Ng 2012:65 [ref. 32092]). Current status: Synonym of Mystus wolffii (Bleeker 1851). Bagridae. Habitat: freshwater, brackish.

wolffii, Bagrus Bleeker [P.] 1851:205 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 2 (no. 2); ref. 329] Bandjarmasin, Kalimantan, Borneo, Indonesia. Holotype (unique): whereabouts unknown. Bleeker specimens: AMS B.7774 (1) Java, BMNH 1863.12.4.94 (1), NMV 46225 (1), ZMB 4794 (1). Type catalog: Ferraris 2007:98 [ref. 29155]. See van Oijen et al. 2009:142 [ref. 30423]. •Valid as Mystus wolffii (Bleeker 1851) [sometimes as wolffi] -- (Roberts 1989:126 [ref. 6439], Burgess 1989:70 [ref. 12860], Mo 1991:131 [ref. 19952], Kottelat et al. 1993:67 [ref. 23448], Kottelat & Lim 1996:239 [ref. 23210], Rainboth 1996:144 [ref. 22772], Tan & Ng 1999:278 [ref. 24254], Jayaram & Sanyal 2003:115 [ref. 26894], Ng 2004:883 [ref. 28016], Ferraris 2007:98 [ref. 29155], Ng 2012:58 [ref. 32092], Ng 2012:73 [ref. 32464], Kottelat 2013:264 [ref. 32989], Ng et al. 2019:530 [ref. 36606]). Current status: Valid as Mystus wolffii (Bleeker 1851). Bagridae. Distribution: Southeast Asia: large rivers of Thailand, Malaya (Malaysia), Indonesia. Habitat: freshwater, brackish.