nigrolineatus, Varicharax Vanegas-Ríos [J. A.], Faustino-Fuster [D. R.], Meza-Vargas [V.] & Ortega [H.] 2020:391, Figs. 1-4 [Journal of Zoological Systematics and Evolutionary Research = Zeitschrift für zoologische Systematik und Evolutionsforschung v. 58 (no. 1); ref. 37279] Yananmaca creek, tributary of Río Corrientes, Río Marañón drainage, Trompeteros, Loreto, Peru, 3°12′15.46″S, 75°40′27.09″W, elevation approximately 204 meters. Holotype: MUSM 60288. Paratypes: MUSM. •Valid as Varicharax nigrolineatus Vanegas-Ríos, Faustino-Fuster, Meza-Vargas & Ortega 2020 -- (Meza-Vargas et al. 2021:20 [ref. 39298]). Current status: Valid as Varicharax nigrolineatus Vanegas-Ríos, Faustino-Fuster, Meza-Vargas & Ortega 2020. Characidae: Stevardiinae. Distribution: South America: Río Corrientes drainage, Río Marañón basin (Loreto, Peru). Habitat: freshwater.