japuhybensis, Characidium Travassos [H.] 1949:229, Figs. 1-4 [Revista Brasileira de Biologia v. 9 (no. 2); ref. 13031] Japuhyba [Japuíba], Angra dos Reis, Estado do Rio de Janeiro, Brazil. Holotype: MNRJ 5139. Paratypes: MRNJ 5191-92 (2), 5193 (1, allotype), 5195-5207 (13), 5609 (4); USNM 149945 [ex MNRJ] (3). Type catalog: Vari & Howe 1991:12 [ref. 19022]. Combined with a neuter genus, the specific name becomes japuhybense. •Valid as Characidium japuhybensis Travassos 1949 -- (Buckup 1993:101 [ref. 20831]). •Valid as Characidium japuhybense Travassos 1949 -- (Buckup et al. 2000:276 [ref. 25084], Buckup in Reis et al. 2003:89 [ref. 27061], Lujan et al, 2013:456 [ref. 32922], Leitão & Buckup 2014:21 [ref. 33323], Zanata & Camelier 2014:340 [ref. 33380], Melo & Oyakawa 2015:287 [ref. 33788], Zanata & Ohara 2015:375 [ref. 33970], Zanata & Camelier 2015:497 [ref. 33983], Zanata et al. 2015:381 [ref. 34023], Melo et al. 2016:[9] [ref. 34807], Zanata et al. 2018:84 [ref. 36279], Flausino Junior et al. 2020:357 [ref. 37666], Reis et al. 2020:461 [ref. 38364]). Current status: Valid as Characidium japuhybense Travassos 1949. Crenuchidae: Characidiinae. Distribution: South America: coastal streams of southeastern Brazil. Habitat: freshwater.