altior, Astyanax fasciatus Hubbs [C. L.] 1936:176, Pl. 1 (fig. 1) [Carnegie Institution of Washington Publications No. 457 (art. 17); ref. 2247] Roadside pool, 3 kilometers south of Progreso, Yucatán, southeastern Mexico. Holotype: UMMZ 102144. Paratypes: UMMZ 102145 (3). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question). •Valid as Astyanax altior Hubbs 1936 -- (Schmitter-Soto 1998:350 [ref. 23326], Nelson et al. 2004:80 [ref. 27807], Miller 2006:155 [ref. 28615], Page et al. 2013:81 [ref. 32708], Schmitter-Soto 2016:129 [ref. 34424], Schmitter-Soto 2017:1356 [ref. 35414], Page et al. 2023:76 [ref. 40505], Fricke et al. 2024:182 [ref. 41622]). Current status: Valid as Astyanax altior Hubbs 1936. Acestrorhamphidae: Acestrorhamphinae. Distribution: Southern North America: northwestern Yucatán Peninsula, Campeche and Yucatán states (Mexico) endemic. Habitat: freshwater.