atahualpianus, Astyanax Fowler [H. W.] 1907:436, Fig. 36 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 58 (for 1906); ref. 1374] Near Pebas, Peru. Holotype: ANSP 21435. Paratypes: ANSP 21436 (1). Type catalog: Böhlke 1984:43 [ref. 13621]. •Valid as Moenkhausia atahualpiana (Fowler 1907) -- (Ortega & Vari 1986:9 [ref. 9708], Benine in Reis et al. 2003:145 [ref. 27061], Barriga Salazar 2014:107 [ref. 35745], Meza-Vargas et al. 2021:19 [ref. 39298]). Current status: Valid as Moenkhausia atahualpiana (Fowler 1907). Characidae: Stethaprioninae. Distribution: South America: Amazon River basin (Peru and Ecuador). Habitat: freshwater.