daemon, Geophagus Heckel [J. J.] 1840:389, Pl. 29 (figs. 26-29) [Annalen des Wiener Museums der Naturgeschichte v. 2; ref. 2064] Rio Negro at Maribitanos, Amazonas, Brazil. Holotype (unique): NMW 23123. •Valid as Geophagus daemon Heckel 1840 -- (Gosse 1976:44 [ref. 7029]). •Valid as Satanoperca daemon (Heckel 1840) -- (Lasso & Machado-Allison 2000:134 [ref. 27968], Kullander in Reis et al. 2003:642 [ref. 27061], DoNascimiento et al. 2017:98 [ref. 35633]). Current status: Valid as Satanoperca daemon (Heckel 1840). Cichlidae: Cichlinae. Distribution: Amazon River and Orinoco River basins: Brazil, Colombia and Venezuela. Habitat: freshwater.