Species that contain: Astyanax and fasciatus and aeneus [ 9 ] records

aeneus, Tetragonopterus Günther [A.] 1860:319 [4] [Proceedings of the Zoological Society of London 1860 (pt 2) (art. 6); ref. 18212] Arroyo Las Flores, Oaxaca, Mexico. Lectotype: BMNH 1860.6.17.41. Paralectotype: BMNH 1860.6.17.42 (1). On p. 4 of separate. Invalid lectotype selection by Schmitter-Soto 2017:1354 [ref. 35414], this specimen BMNH 1907.4.10.3 is not part of the type series of Tetragonopterus aeneus Günther 1860 [ICZN Art. 74.2]. See also at Astyanax belizianus. Lectotype designated by Schmitter-Soto 2021:1071 [ref. 38564]. •Treated as a synonym of Astyanax aff. fasciatus (Cuvier 1819) -- (Malabarba 1989:129 [ref. 14217]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061]). •Valid as Astyanax aeneus (Günther 1860) -- (Greenfield & Thomerson 1997:74 [ref. 22947], Schmitter-Soto 1998:350 [ref. 23326], Bussing 1998:79 [ref. 24179], Smith et al. 2003:11 [ref. 27621], Nelson et al. 2004:80 [ref. 27807], Miller 2006:154 [ref. 28615], Protogino et al. 2006:12 [ref. 28780], Scharpf 2006:13 [ref. 30386], Schmitter-Soto et al. 2008:409 [ref. 29633], Bussing 2009:1361 [ref. 30066], Matamoros et al. 2009:9 [ref. 31241], McMahan et al. 2013:444 [ref. 32422], Page et al. 2013:81 [ref. 32708], Angulo et al. 2013:991 [ref. 33194], Barrientos et al. 2015:4 [ref. 37653], Schmitter-Soto 2016:129 [ref. 34424], Schmitter-Soto 2017:[22] 1352 [ref. 35414], Romero-Berny et al. 2018:89 [ref. 35859], González-Murcia et al. 2019:290 [ref. 36544], Schmitter-Soto 2021:1071 [ref. 38564], Angulo et al. 2023:22 [ref. 40676], Ornelas-García et al. 2023:[5] 99 [ref. 40738], Page et al. 2023:76 [ref. 40505]). Current status: Valid as Astyanax aeneus (Günther 1860). Characidae: Stethaprioninae. Distribution: Southwestern North America and Middle America: Río Papagayo, Guerrero (Mexico) south to Río Choluteca (Honduras). Habitat: freshwater.

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.

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.

humilis, Tetragonopterus Günther [A.] 1864:327 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Lake Amatitlan, Guatemala. Syntypes: (at least 4) BMNH 1865.4.29.45-50 (6). •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 aeneus (Günther 1860) -- (Schmitter-Soto 2017:1352 [ref. 35414]). Current status: Synonym of Astyanax aeneus (Günther 1860). Characidae: Stethaprioninae. Habitat: freshwater.

microphthalmus, Tetragonopterus Günther [A.] 1864:324 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Rio Rímac, Peru; Lago de Amatitlán, Guatemala; Pacific coast of Guatemala. Syntypes: (9) BMNH 1863.2.3.8-12 (5) Rio Rimac, ?1864.1.26.349-350 (2) Panama or Guatemala, ?1865.4.29.43-44 (2) Lake Amatilán. Loality as Panama or Guatemala ('Pacific coast of Guatemala' according to Günther 1864:324 [ref. 1974], but 'Pacific coast of Panama' according to jar label and register entry). The Peru syntypes were reidentified as Bryconamericus peruanus (Müller & Troschel 1845) (J. Maclaine, personal communication, Aug. 2009). Lectotype designation is desirable. •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question, Mirande & Koerber 2015:2 [ref. 33698] with question). •Synonym of Astyanax aeneus (Günther 1860) -- (Schmitter-Soto 2017:1352 [ref. 35414]). Current status: Synonym of Astyanax aeneus (Günther 1860). Characidae: Stethaprioninae. Habitat: freshwater.

oaxacanensis, Tetragonopterus Bocourt [F.] 1868:62 [Annales des Sciences Naturelles, Paris (Zoologie et Paléontologie) (Sér. 5) v. 9; ref. 16971] Oaxaca, Mexico. Description very brief. •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] with question, Mirande & Koerber 2015:2 [ref. 33698]). •Incertae sedis -- (Schmitter-Soto 2017:1334 [ref. 35414], Zanata & Bertaco 2024:110 [ref. 40817]). •Possible synonym of Astyanax aeneus (Günther 1860). Nomen Dubium. Current status: Uncertain as Astyanax aeneus (Günther 1860). Characidae: Stethaprioninae. Habitat: freshwater.

obscurus, Tetragonopterus Hensel [R.] 1870:86 [Archiv für Naturgeschichte v. 36 (pt. 1); ref. 18277] Rio Cadea [Cadeia] above large waterfall [Santa Maria do Herval], Rio Grande do Sul, southern Brazil. Syntypes: ZMB 7478 (3). •Treated as a synonym of Astyanax aff. fasciatus (Cuvier 1819) and a synonym of Astyanax aeneus (Hensel 1870) -- (Malabarba 1989:129 [ref. 14217]). •Valid as Astyanax obscurus (Hensel 1870) -- (Buckup in Reis et al. 2003:111 [ref. 27061], de Melo & Buckup 2006:46 [ref. 28622], Abilhoa & Duboc 2007:45 [ref. 29285], Bertaco & Lucena 2010:8 [ref. 30750], Tagliacollo et al. 2011:41 [ref. 31138], Oliveira et al. 2013:292 [ref. 32756], Lucena et al. 2013:231 [ref. 32870], Bertaco et al. 2016:412 [ref. 34561], Oliveira et al. 2017:180 [ref. 35587], da Graça et al. 2017:13 [ref. 35556], Lucena et al. 2017:6 [ref. 35607]). Current status: Valid as Astyanax obscurus (Hensel 1870). Characidae: Stethaprioninae. Distribution: Rio Jacuí drainage, Laguna dos Patos drainage, Rio Grande do Sul, Brazil. Habitat: freshwater.

orstedii, Tetragonopterus Lütken [C. F.] (ex Krøyer) 1875:229 [40] [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1874 (nos 12-16); ref. 17563] Río San Juan, Nicaragua. Lectotype: ZMUC 948. Paralectotypes: ZMUC 947 (1), 955-956 (2); ZMB 9197 (2). Type catalog: Nielsen 1974:47 [ref. 9588]. On p. 40 of separate. Specific name spelled Örstedii originally; not German so orstedii is correct. Lectotype selected by Schmitter-Soto 2017:1400 [ref. 35414]? •Synonym of Astyanax aeneus (Günther 1860) -- (Bussing 1998:83 [ref. 24179]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061] as orstedii with question, Mirande & Koerber 2015:2 [ref. 33698]). •Valid as Astyanax orstedii (Lütken 1875) -- (Schmitter-Soto 2017:1398 [ref. 35414] with authorship of Krøyer, Angulo et al. 2018:[18] [ref. 35879] with authorship of Krøyer, Angulo et al. 2020:5 [ref. 37425], Angulo et al. 2023:24 [ref. 40676]). Current status: Valid as Astyanax orstedii (Lütken 1875). Characidae: Stethaprioninae. Distribution: Central America: Río San Juan, Nicaragua, through both versants of Costa Rica, to Río Chiriquí basin, Panama. Habitat: freshwater.

rutilus, Tetragonopterus Jenyns [L.] 1842:125, Pl. 23 (figs. 2, 2a) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Rio Paraná, South America. Holotype: BMNH 1917.7.14.14. •Treated as a synonym of Astyanax aff. fasciatus (Cuvier 1819) and the same as Astyanax aeneus (Hensel 1870) -- (Malabarba 1989:129 [ref. 14217]). •Synonym of Astyanax fasciatus (Cuvier 1819) -- (Buckup in Reis et al. 2003:109 [ref. 27061]). •Valid as Astyanax rutilus (Jenyns 1842) -- (Protogino et al. 2006:10 [ref. 28780], de Melo & Buckup 2006:46 [ref. 28622], Almirón et al. 2010:67 [ref. 30813], Mirande 2010:516 [ref. 31006] as cf. rutilus, Soneira et al. 2010:785 [ref. 31078], Koerber 2011:3 [ref. 31122], Koerber 2014:5 [ref. 33621], Litz & Koerber 2014:14 [ref. 33622], Mirande & Koerber 2015:24 [ref. 35117], Nión et al. 2016:29 [ref. 35565], Koerber et al. 2017:38 [ref. 35267], Terán et al. 2017:7 [ref. 35358], Dickens 2019:162 [ref. 37135]). •Valid as Psalidodon rutilus (Jenyns 1842) -- (Koerber et al. 2020:4 [ref. 37480], Mirande & Koerber 2020:2 [ref. 37594], Terán et al. 2020:11 [ref. 37440], Koerber et al. 2021:4 [ref. 38894], Koerber et al. 2023:4 [ref. 40355], Loureiro et al. 2023:76 [ref. 40506]). Current status: Valid as Psalidodon rutilus (Jenyns 1842). Characidae: Stethaprioninae. Distribution: South America: Río Paraná basin (Argentina, Paraguay and Uruguay). Habitat: freshwater.