lucius, Crenicichla Cope [E. D.] 1870:570 [Proceedings of the American Philosophical Society v. 11; ref. 914] Cayapoza, Upper Río Marañon, Loreto department, Peru. Neotype: NRM 25662. Type catalog: Böhlke 1984:58 [ref. 13621] as type not found. Neotype designated by Kullander 1986:116 [ref. 12439]. •Valid as Crenicichla lucius Cope 1870 -- (Ovchynnyk 1967:42 [ref. 37559], Ortega & Vari 1986:20 [ref. 9708], Kullander 1986:112 [ref. 12439], Ploeg 1991:43 [ref. 20196], Kullander 1997:285 [ref. 22746], Kullander in Reis et al. 2003:629 [ref. 27061], Barriga Salazar 2014:118 [ref. 35745], Varella et al. 2018:384 [ref. 35777], Meza-Vargas et al. 2021:28 [ref. 39298]). •Valid as Saxatilia lucius (Cope 1870) -- (Varella et al. 2023:3 [ref. 40273]). Current status: Valid as Saxatilia lucius (Cope 1870). Cichlidae: Cichlinae. Distribution: South America: Amazon River basin, Brazil, Ecuador and Peru. Habitat: freshwater.