villwocki, Astyanax Zarske [A.] & Géry [J.] 1999:200, Figs. 1-2 [Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut v. 96; ref. 24913] Rio Pacal, Rio Pachitea basin, Departamento Ucayali, Peru. Holotype: MTD F 22400. Paratypes: GÉRY Coll. 1022.1-3 (1, 1, 1); MHNG 2603.17-18 (1, 6); MNHN 1999-0318 to 0323 (6); MTD F 17614-15 (2), 17737-41 (5), 22114-15 (2), 22116 (1); ZFMK 20781 (1); ZMH 9175 (2). Type catalog: Herder et al. 2010:115 [ref. 31087]. •Valid as Astyanax villwocki Zarske & Géry 1999 -- (Buckup in Reis et al. 2003:113 [ref. 27061], Sarmiento et al. 2014:183 [ref. 35004], Ruiz-C. et al. 2018:24 [ref. 35787], Meza-Vargas et al. 2021:17 [ref. 39298], Ruiz-C. et al. 2023:198 [ref. 40361]). Current status: Valid as Astyanax villwocki Zarske & Géry 1999. Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: Ucayali, Beni and Mamoré River drainages, Amazon River basin (Peru, Ecuador and Colombia). Habitat: freshwater.