simulatus, Astyanax Eigenmann [C. H.] in Pearson 1924:41 [Indiana University Studies v. 11 (no. 64); ref. 3396] Creek at Puerto Bermudez, Río Marañon system, Peru. Syntypes: CAS 62100 [ex IU 15860] (orig. 10, now 6), MCZ 31875 [ex IU 16860] (2), USNM 167811 [ex IU 15860] (2). Type catalog: Vari & Howe 1991:30 [ref. 19022]. Author is C. H. Eigenmann. Appeared first as above with brief characterization, then in Eigenmann & Pearson in Eigenmann & Myers 1929:523, Pl. 57 (fig. 3) [ref. 1263]. Usually dated to 1929 but dates to 1924. •See Planquette et al. 1996:316 [ref. 22818]. •Valid as Moenkhausia simulata (Eigenmann 1924) -- (Ortega & Vari 1986:9 [ref. 9708], Benine in Reis et al. 2003:150 [ref. 27061], Zarske et al. 2004:23 [ref. 28038], Géry & Zarske 2004:42 [ref. 28287], Barriga Salazar 2014:108 [ref. 35745], Carvalho et al. 2014:378 [ref. 33383], DoNascimiento et al. 2017:52 [ref. 35633], Meza-Vargas et al. 2021:19 [ref. 39298], Marinho & Benine 2024:235 [ref. 40817]). Current status: Valid as Moenkhausia simulata (Eigenmann 1924). Characidae: Stethaprioninae. Distribution: South America: western Amazon River basin, Ecuador, Colombia, Peru and Brazil. Habitat: freshwater.