imperialis, Acara (Heros) Steindachner [F.] 1879:161 [43] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 80 (nos 1-2); ref. 4229] Mouth of Rio Negro, Amazonas State, Brazil. Syntypes: (several) NMW 79185-86 (4, 3). On p. 43 of separate. •Synonym of Uaru amphiacanthoides Heckel 1840 -- (Kullander in Reis et al. 2003:645 [ref. 27061]). Current status: Synonym of Uaru amphiacanthoides Heckel 1840. Cichlidae: Cichlinae. Habitat: freshwater.