paraguayensis, Astyanax (Poecilurichthys) bimaculatus Eigenmann [C. H.] 1921:256, Pls. 62 (fig. 5), 92 (fig. 1) [Memoirs of the Museum of Comparative Zoology v. 43 (pt 3); ref. 12359] Rio Paraguay and upper Rio Tocantins. Syntypes: (179) CAS 38987-96 and 38999 [ex IU 10005-10010, 10239, 10241-43, 10293] (44), 38997 [IU 10244] (1), 38998 [ex IU 10247] (1), 39000 [ex IU 11083] (1); FMNH 54643-49 [ex CM 3280-3286] (8, 9, 5, 2, 10, 1, 2); CM 3274 and 3287 missing. Type catalog: Ibarra & Stewart 1987:12 [ref. 12367]. Subjectively invalid secondarily preoccupied by Bertoniolus paraguayensis Fowler 1918 in Astyanax; replaced by Astyanax bimaculatus asuncionensis Géry 1972. •Synonym of Astyanax bimaculatus (Linnaeus 1758), but a valid subspecies as described -- (Gómez & Chebez 1996:49 [ref. 23791], Britski et al. 1999:37 [ref. 24147], Garutti 1999:587 [ref. 24920]). •In the synonymy of Astyanax asuncionensis Géry 1972 -- (Buckup in Reis et al. 2003:107 [ref. 27061], Litz & Koerber 2014:14 [ref. 33622]). •Valid as Astyanax paraguayensis Eigenmann 1921 -- (Sarmiento et al. 2014:183 [ref. 35004]). •Synonym of Astyanax lacustris (Lütken 1875) -- (Lucena & Soares 2016:104 [ref. 34169], Koerber & Litz 2016:3 [ref. 35098], Koerber et al. 2017:4 [ref. 35083], Koerber et al. 2017:37 [ref. 35267], Koerber et al. 2017:4 [ref. 35632]). 2°Homonym. Current status: Synonym of Astyanax lacustris (Lütken 1875). Characidae: Stethaprioninae. Habitat: freshwater.