Ichthyofauna from three streams of the lower Iguatemi River in the upper Paraná river basin, Brazil Author Batista-Silva, Valéria Flávia Author Frota, Augusto Author Kashiwaqui, Elaine Antoniassi Luiz Author Abelha, Milza Celi Fedatto Author Bailly, Dayani Author Gubiani, Éder André Author Júnio da Graça, Weferson text Check List 2018 2018-03-23 14 2 363 378 http://dx.doi.org/10.15560/14.2.363 journal article 10.15560/14.2.363 1809-127X Serrapinnus notomelas ( Eigenmann, 1915 ) Cheirodon notomelas Eigenmann 1915: 74 [original description]. Serrapinnus notomelas — Graça and Pavanelli 2007: 93 ; Bifi et al. 2017: 4 , fig. 2.12. Material examined. Table 2 ; Figure 5L . Elongated body; terminal mouth; premaxilla with 4 or 5, dentary with 6 or 7 and maxilla with 1 or 2 teeth. Lateral line incompletely pored, with 5–7 pored scales; longitudinal series with 30-34 scales; transversal series above lateral line with 3½ or 4 scale rows and below with 3 or 3½ scale rows. Dorsal fin with 10 or 11, pectoral fin with 12 or 13, pelvic fin with 8 or 9, anal fin with 19–24 and caudal fin with 19, total rays. Ground color whitish; dark brown diffuse longitudinal stripe on flank, from pseu- dotympanum to caudal peduncle; black rounded blotch on posterior portion of caudal peduncle and caudal-fin base, not extended to median caudal-fin rays. Dorsal fin with dark chromatophores along two unbranched e first branched rays and proximal half of remaining; pectoral, pelvic, anal and caudal fins yellowish.