franouxi, Sicydium Pellegrin [J.] 1935:71 [Bulletin de la Société Zoologique de France v. 60 (no. 1); ref. 15667] Ankondro River near to Tsimelahy, region of Ranopitso (Fort-Dauphin), southeastern Madagascar. Holotype (unique): MNHN 1935-0017. Type catalog: Bauchot et al. 1991:44 [ref. 19958], Fricke et al. 2018:340 [ref. 35805]. •Questionably a synonym of Sicyopterus fasciatus (Day 1874) -- (Maugé 1986:383 [ref. 6218]). •Valid as Sicyopterus franouxi (Pellegrin 1935), but possibly a synonym of Sicyopterus fasciatus (Day 1874) -- (Stiassny & Harrison 2000:151 [ref. 25252]). •Valid as Sicyopterus franouxi (Pellegrin 1935) -- (Sparks & Nelson 2004:4 [ref. 27700], Kottelat 2013:428 [ref. 32989], Keith et al. 2015:94 [ref. 34328], Fricke et al. 2018:340 [ref. 35805], Parenti 2021:418 [ref. 38603], Larson 2022:178 [ref. 39971]). Current status: Valid as Sicyopterus franouxi (Pellegrin 1935). Oxudercidae: Sicydiinae. Distribution: Northwestern and eastern Madagascar. Habitat: freshwater, brackish, marine.