psittacus, Heros Heckel [J. J.] 1840:369 [Annalen des Wiener Museums der Naturgeschichte v. 2; ref. 2064] Río Negro north of Maribitanos, at foot of Cocui Mountains, Venezuela. Syntypes: ?NMW 17641-42 (1, 1). •Valid as Hoplarchus psittacus (Heckel 1840) -- (Lasso & Machado-Allison 2000:116 [ref. 27968], Kullander in Reis et al. 2003:637 [ref. 27061], DoNascimiento et al. 2017:100 [ref. 35633], Silvano et al. 2020:355 [ref. 38134]). Current status: Valid as Hoplarchus psittacus (Heckel 1840). Cichlidae: Cichlinae. Distribution: South America: Amazon River basin and Orinoco River basin (Brazil, Colombia and Venezuela). Habitat: freshwater.