albeolus, Astyanax Eigenmann [C. H.] 1908:97 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Río Machuca, Río Siguires, Costa Rica, elevation 200 meters. Holotype (unique): FMNH 6241. 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], Mirande & Koerber 2015:2 [ref. 33698]). •Synonym of Astyanax orstedii (Lütken 1875) -- (Schmitter-Soto 2017:1398 [ref. 35414]). Current status: Synonym of Astyanax orstedii (Lütken 1875). Characidae: Stethaprioninae. Habitat: freshwater.