robertsi, Moenkhausia Géry [J.] 1964:21, Fig. 1 [Tropical Fish Hobbyist v. 13 (no. 4, Dec.); ref. 2264] Upper Amazon, region surrounding Iquitos, Peru. Holotype: USNM 200427 [ex Géry coll. 398.1]. Paratypes: (3). Type catalog: Vari & Howe 1991:30 [ref. 19022]. •Valid as Moenkhausia robertsi Géry 1964 -- (Ortega & Vari 1986:9 [ref. 9708], Benine in Reis et al. 2003:149 [ref. 27061], Géry & Zarske 2004:43 [ref. 28287], Barriga Salazar 2014:108 [ref. 35745], DoNascimiento et al. 2017:52 [ref. 35633], Meza-Vargas et al. 2021:19 [ref. 39298]). Current status: Valid as Moenkhausia robertsi Géry 1964. Characidae: Stethaprioninae. Distribution: South America: upper Amazon River basin (Ecuador, Peru and Colombia). Habitat: freshwater.