costaricensis, Astyanax aeneus var. Meek [S. E.] 1914:105 [Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 10); ref. 2961] Costa Rica. Syntypes: FMNH 6349 (1), 7866-73 (5, 39, 15, 2, 6, 61, 49, 25); UMMZ 162475 (5). Type catalog: Ibarra & Stewart 1987:12 [ref. 12367]. •Synonym of Astyanax aeneus (Günther 1860) -- (Bussing 1998:81 [ref. 24179]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question, Mirande & Koerber 2015:2 [ref. 33698]). •Synonym of Astyanax nicaraguensis Eigenmann & Ogle 1907 -- (Schmitter-Soto 2017:1393 [ref. 35414]). Current status: Synonym of Astyanax nicaraguensis Eigenmann & Ogle 1907. Characidae: Stethaprioninae. Habitat: freshwater.