gracilior, Haplochromis angustifrons var. Boulenger [G. A.] 1914:257 [Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika Expedition, 1907-1908 v. 5 (Zool. no. 3); ref. 582] Kissenge, Lake Kivu. Lectotype: ZMB 19119. Paralectotypes: (35) BMNH 1914.4.8.21-24 (4), 1914.4.8.38 (1); ZMB 21504 (3), 32020 (26), 32024 (1). Lectotype designation not researched, not designated here. Also in Boulenger 1915:293 [ref. 584] without description. •Valid as Haplochromis gracilior Boulenger 1914 -- (van Oijen et al. 1991:128 [ref. 20956], Snoeks 1994:58 [ref. 21588]). Current status: Valid as Haplochromis gracilior Boulenger 1914. Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Kivu. Habitat: freshwater.