giton, Astyanax Eigenmann [C. H.] 1908:97 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Paraíba River, Rio de Janeiro State, Brazil. Lectotype: MCZ 20936. Paralectotypes: CAS 42482 [ex IU 15266 / ex MCZ 20936 smaller] (1). Lectotype selected by Eigenmann 1921:281 [ref. 12359]. •Valid as Astyanax giton Eigenmann 1908 -- (Azpelicueta & Garcia 2000:252 [ref. 25142], de Melo 2001:5 [ref. 27458], Buckup in Reis et al. 2003:109 [ref. 27061], Vari & Castro 2007:159 [ref. 29039], Mirande et al. 2007:37 [ref. 29333], Catelani et al. 2014:931 [ref. 37496], Salgado 2021:9 [ref. 38719]). •Valid as Deuterodon giton (Eigenmann 1908) -- (Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon giton (Eigenmann 1908). Characidae: Stethaprioninae. Distribution: South America: Paraíba River basin (Brazil). Habitat: freshwater, brackish.