polyactis, Paretroplus Bleeker [P.] 1878:195, Pl. 3 (fig. 2) [Verslagen en Mededeelingen der Koninklijke Akademie van Wetenschappen. Afdeeling Natuurkunde (Ser. 2) v. 12; ref. 455] Eastern Madagascar. Syntypes: (2) ?RMNH 4478 (1). Type catalog: Fricke et al. 2018:255 [ref. 35805]. RMNH 4478 is a syntype of Paretroplus damii and not this species according to Sparks 2008:59 [ref. 29766]; Maréchal & Gosse 1991 treated 4478 as a syntype of polyactis. •Valid as Paretroplus polyactis Bleeker 1878 -- (Maréchal & Gosse 1991:360 [ref. 20961], Reinthal & Stiassny 1997:354 [ref. 22780], Allgayer 1996:14 [ref. 23770], Sparks & Reinthal 1999:7 [ref. 23768], Stiassny et al. 2001:33 [ref. 25402], Sparks 2002:547 [ref. 26376], Sparks & Schelly 2011:57 [ref. 31173], Fricke et al. 2018:255 [ref. 35805]). Current status: Valid as Paretroplus polyactis Bleeker 1878. Cichlidae: Etroplinae. Distribution: Madagascar. Habitat: freshwater.