nanum, Ctenopoma Günther [A.] 1896:269, Pl. 13 (fig. B) [Annals and Magazine of Natural History (Series 6) v. 17 (no. 100) (art. 37); ref. 14607] Gabon River, western Africa. Syntypes: BMNH 1868.8.16.9-10 (2). •Valid as Ctenopoma nanum Günther 1896 -- (Gosse 1986:410 [ref. 6194], Vierke 1986:51 [ref. 36452], Vierke 1988:79 [ref. 36453]). •Valid as Microctenopoma nanum (Günther 1896) -- (Norris 1995:358 [ref. 21948], Norris 2007:261 [ref. 30044], Kullander & Roberts 2012:367 [ref. 31751], Skelton 2019:227 [ref. 36564], Kisekelwa et al. 2020:[11] 710 [ref. 38315], Munene et al. 2021:25 [ref. 39283], Stiassny et al. 2021:1688 [ref. 39000], Fermon et al. 2022:228 [ref. 39448]). Current status: Valid as Microctenopoma nanum (Günther 1896). Anabantidae. Distribution: Western-central Africa: Congo River system, and Sanaga River system in Lower Guinea. Habitat: freshwater.