Species that contain: Mystus and nigriceps [ 5 ] records

heterurus, Bagrus Bleeker [P.] 1846:23 [151] [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 21 (art. 5); ref. 313] Western Java, Indonesia. Neotype: RMNH 2951. Appeared later in Bleeker 1846:151 [ref. 5872]. Neotype designated by Roberts1994:252. •Synonym of Mystus nigriceps (Valenciennes 1839) -- (Roberts 1989:122 [ref. 6439]). •Synonym of Mystus singaringan (Bleeker 1846) -- (Roberts 1994:252 [ref. 21568], Jayaram & Sanyal 2003:106 [ref. 26894]). Current status: Synonym of Mystus singaringan (Bleeker 1846). Bagridae. Habitat: freshwater.

keletius, Bagrus Valenciennes [A.] in Cuvier & Valenciennes 1840:411 [Histoire naturelle des poissons v. 14; ref. 4882] Puducherry [Pondicherry], India. Lectotype: MNHN A-9011. Paralectotypes: MNHN 0000-4369 [ex RMNH] (1) Java. Type catalog: Bertin & Estève 1950:26 [ref. 19575], Ferraris 2007:98 [ref. 29155]. Type information: Roberts 1993:29 [ref. 21799]. Lectotype selected by Ng 2002:166 [ref. 26403]. •In part (Java specimen) synonym of Mystus nigriceps (Valenciennes 1840) -- (Roberts 1993:29 [ref. 21799], Ng 2002:162 [ref. 26403]). •Synonym of Mystus armatus (Day 1865) or Mystus vittatus (Bloch 1794) after lectotype designation -- (Ng 2002:165 [ref. 26403]). •Synonym of Mystus vittatus (Bloch 1794) -- (Ferraris 2007:98 [ref. 29155]). •Valid as Mystus keletius (Valenciennes 1840) -- (Burgess 1989:70 [ref. 12860], Pethiyagoda 1991:149 [ref. 20075], Talwar & Jhingran 1991:562 [ref. 20764], Mo 1991:130 [ref. 19952], Jayaram & Sanyal 2003:63 [ref. 26894], Menon 1999:202 [ref. 24904], Rema-Devi 2001:297 [ref. 25883], Ng 2002:162 [ref. 26403], Yadav 2003:18 [ref. 27711], Jayaram 2006:43 [ref. 28762], Grant 2006 [ref. 28890], Pethiyagoda et al. 2008:233 [ref. 29985], Ng & Pethiyagoda 2013:169 [ref. 33011], Kottelat 2013:263 [ref. 32989], Plamoottil 2016:1975 [ref. 34462], Sudasinghe et al. 2016:171 [ref. 34902], Plamoottil 2020:116 [ref. 38337]). Current status: Valid as Mystus keletius (Valenciennes 1840). Bagridae. Distribution: South Asia: Pondicherry, India. Habitat: freshwater.

macronemus, Bagrus Bleeker [P.] 1846:22 [150] [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 21 (art. 5); ref. 313] Jakarta, Java, Indonesia. Syntypes: SMNS 10571 (2). Type catalog: Fricke 2005:15 [ref. 29864], Ferraris 2007:97 [ref. 29155]. A neotype was designated [RMNH 2951] by Roberts 1994:253 [ref. 21568], but that designation is invalid since syntypes are available. Appeared later in Bleeker 1846:150 [ref. 5872]. Objectively invalid; preoccupied by Bagrus macronemus Ranzani 1842. See van Oijen et al. 2009:139 [ref. 30423] as macronema. •Synonym of Mystus nigriceps (Valenciennes 1840) -- (Roberts 1989:122 [ref. 6439]). •Synonym of Mystus singaringan (Bleeker 1846) -- (Roberts 1994:252 [ref. 21568], Rainboth 1996:142 [ref. 22772], Jayaram & Sanyal 2003:106 [ref. 26894], Ferraris 2007:97 [ref. 29155], Kottelat 2013:263 [ref. 32989]). 1°Homonym. Current status: Synonym of Mystus singaringan (Bleeker 1846). Bagridae. Habitat: freshwater.

micracanthus, Bagrus Bleeker [P.] 1846:22 [151] [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 21 (art. 5); ref. 313] Java, Indonesia. Possible syntypes: AMS B.7574 (1), B.7979 (1); BMNH 1863.12.4.77 (1); NMV 46463 (1); RMNH 5216 (many). Type catalog: Ferraris 2007:96 [ref. 29155]. Appeared later in Bleeker 1846:151 [ref. 5872]. Neotype designated by Roberts 1989 regarded as unnecessary by by Ng 2002:166 [ref. 26403]. See van Oijen et al. 2009:143 [ref. 30423]. •Valid as Mystus micracanthus (Bleeker 1846) -- (Burgess 1989:70 [ref. 12860], Roberts 1989:120 [ref. 6439], Mo 1991:130 [ref. 19952], Kottelat et al. 1993:66 [ref. 23448], Kottelat & Lim 1996:239 [ref. 23210], Rainboth 1996:142 [ref. 22772], Jayaram & Sanyal 2003:78 [ref. 26894]). •Synonym of Mystus nigriceps (Valenciennes 1840) -- (Roberts 1993:29 [ref. 21799], Ng 2002:162 [ref. 26403], Ferraris 2007:96 [ref. 29155], Kottelat 2013:263 [ref. 32989]). Current status: Synonym of Mystus nigriceps (Valenciennes 1840). Bagridae. Habitat: freshwater.

nigriceps, Bagrus Valenciennes [A.] in Cuvier & Valenciennes 1840:412 [Histoire naturelle des poissons v. 14; ref. 4882] Java, Indonesia. Holotype: RMNH 2948. Type information: Roberts 1993:29 [ref. 21799]. Type catalog: Ferraris 2007:96 [ref. 29155]. Neotype (but possibly the holotype) designated by Roberts 1993:29 [ref. 21799]; treated as invalid by Ng 2002:166 [ref. 26403] with holotype found. •Valid as Mystus nigriceps (Valenciennes 1840) -- (Roberts 1989:122 [ref. 6439], Burgess 1989:70 [ref. 12860], Mo 1991:130 [ref. 19952] as nigroceps, Kottelat et al. 1993:66 [ref. 23448], Roberts 1993:29 [ref. 21799], Kottelat & Lim 1996:239 [ref. 23210], Ng & Rachmatika 1999:175 [ref. 23964], Ng & Tan 1999:357 [ref. 24159], Tan & Ng 1999:278 [ref. 24254], Ng et al. 2001:357 [ref. 25966], Ng 2002:162 [ref. 26403], Jayaram & Sanyal 2003:88 [ref. 26894] dated 1839, Ng 2003:373 [ref. 26909], Kottelat & Widjanarti 2005:159 [ref. 28284], Ferraris 2007:96 [ref. 29155], Kottelat 2013:263 [ref. 32989], Hasan et al. 2022:6035 [ref. 39888]). Current status: Valid as Mystus nigriceps (Valenciennes 1840). Bagridae. Distribution: Southeast Asia: Java and southern Sumatra (Indonesia). Habitat: freshwater.