grandidieri, Ptychochromis Sauvage [H.-E.] 1882:174 [Bulletin de la Société philomathique de Paris (7th Série) v. 6; ref. 3894] Region of high forests, Madagascar. Holotype (unique): MNHN A.4147. Possible syntype ?: MNHN A-0310 (1). Type catalog: Blanc 1962:221 [ref. 20868] apparently with a holotype, Fricke et al. 2018:256 [ref. 35805]. •Synonym of Ptychochromis oligacanthus (Bleeker 1868) -- (Maréchal & Gosse 1991:417 [ref. 20961]). •Valid as Ptychochromis grandidieri Sauvage 1882 -- (Sparks 2002:126 [ref. 25893], Sparks 2002:547 [ref. 26376], Sparks 2003:321 [ref. 27400], Stiassny & Sparks 2006:42 [ref. 28788], Sparks & Stiassny 2010:46 [ref. 30695], Martinez et al. 2015:89 [ref. 34035], Fricke et al. 2018:256 [ref. 35805]). Current status: Valid as Ptychochromis grandidieri Sauvage 1882. Cichlidae: Ptychochrominae. Distribution: Eastern Madagascar. Habitat: freshwater, brackish.