gracilis, Nannocharax niloticus Daget [J.] 1954:163, Fig. 51 [Mémoires de l'Institut français d'Afrique Noire No. 36; ref. 11989] Markala, Dabola, and Bourem, Upper Niger. Syntypes: MNHN 1954-0010 (3), 1928-0235 (3), 1960-0414 (3, now 2), 1960-0415 (3), 1988-1110 [ex MNHN 1960-0414] (1). Objectively invalid; preoccupied by Nannocharax gracilis Poll 1939, replaced by Nannocharax niloticus occidentalis Daget 1959. •Synonym of Nannocharax occidentalis Daget 1959 -- (Coenen in Lévêque et al. 1990:252 [ref. 21589], Lévèque et al. 1991:140 [ref. 31367], Musschoot 2024:349 [ref. 40817]). 1°Homonym. Current status: Synonym of Nannocharax occidentalis Daget 1959. Distichodontidae. Habitat: freshwater.