efasciatus, Heros Heckel [J. J.] 1840:372 [Annalen des Wiener Museums der Naturgeschichte v. 2; ref. 2064] Rio Negro or Amazon River, South America. Holotype (unique): NMW 33341. •Valid as Heros efasciatus Heckel 1840 -- (Keith et al. 2000:202 [ref. 24547], Kullander in Reis et al. 2003:636 [ref. 27061], Barriga Salazar 2014:118 [ref. 35745], Sarmiento et al. 2014:128, 189 [ref. 35004], Staeck & Schindler 2015:132 [ref. 33952], Melo et al. 2016:135 [ref. 34701] as cf. efasciatus, DoNascimiento et al. 2017:100 [ref. 35633], Meza-Vargas et al. 2021:28 [ref. 39298], Koerber et al. 2022:74 [ref. 39235], Chan et al. 2023:145 [ref. 40365]). Current status: Valid as Heros efasciatus Heckel 1840. Cichlidae: Cichlinae. Distribution: South America: Amazon River basin (Brazil, Ecuador, Colombia, Bolivia and Peru). Introduced in Hong Kong (China). Habitat: freshwater.