wichmanni, Sicydium Weber [M.] 1894:413 [Zoologische Ergebnisse einer Reise in Niederländisch Ost-Indien v. 3 (no. 2); ref. 14569] River near Kupang, Timor Island, southern Malay Archipelago. Lectotype: ZMA 111274. Paralectotypes: (13) ZMA 111275-77 (6, 5, 2). Type catalog: Nijssen et al. 1982:103 [ref. 19236]. Lectotype selected by Koumans 1953:226 [ref. 2678]. •Valid as Sicyopterus wichmanni (Weber 1894) -- (Parenti & Maciolek 1993:963 [ref. 21279], Larson & Murdy 2001:3603 [ref. 26293] as de Beaufort 1912, Larson & Pidgeon 2004:197 [ref. 28107], Keith et al. 2012:301 [ref. 31972], Kottelat 2013:429 [ref. 32989], Parenti 2021:422 [ref. 38603]). •Synonym of Sicyopterus microcephalus (Bleeker 1855) -- (Keith et al. 2015:116 [ref. 34328]). Current status: Synonym of Sicyopterus microcephalus (Bleeker 1855). Oxudercidae: Sicydiinae. Distribution: Malay Archipelago (if valid). Habitat: freshwater, brackish, marine.