lucius, Hydrocynus Cuvier [G.] 1816:168 [Le Règne Animal; ref. 993] Brazil. Holotype (unique): MNHN A-8601 (dry). Type catalog: Bertin 1948:30 [ref. 19577]. Regarded as available from footnote. Also appeared in Cuvier 1819:359, Pl. 26 (fig. 3) [ref. 1017]. •Valid as Boulengerella lucia (Cuvier 1816) -- (Ortega & Vari 1986:10 [ref. 9708], Géry et al. 1991:6 [ref. 21021]). •Valid as Boulengerella lucius (Cuvier 1816) -- (Taphorn 1992:403 [ref. 23654], Vari 1995:69 [ref. 21840], Chang & Ortega 1995:7 [ref. 24302], Planquette et al. 1996:182 [ref. 22818], Vari in Reis et al. 2003:252 [ref. 27061], López et al. 2003:36 [ref. 27366], Menni 2004:72 [ref. 28131], Barriga Salazar 2014:110 [ref. 35745], DoNascimiento et al. 2017:45 [ref. 35633], Taphorn et al. 2022:22 [ref. 41297]). Current status: Valid as Boulengerella lucius (Cuvier 1816). Ctenoluciidae. Distribution: Amazon and Orinoco River basins: Argentina, Brazil, Ecuador, Colombia, Guyana and Venezuela. Habitat: freshwater.