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 Hypostomus strigaticeps ( Regan, 1908 ) Plecostomus strigaticeps Regan 1908: 796 , pl. 48, fig. 1 [original description]. Hypostomus cf. strigaticeps — Graça and Pavanelli 2007: 126 , 134. Hypostomus strigaticeps — Hoffmann et al. 2015: 4 , fig. A4.E; Bifi et al. 2017: 4, fig. 2.23. Material examined. Table 2 . Deep body; inferior mouth; teeth bifid; premaxilla with 49–54 and dentary with 49–55 teeth. Mid-lateral series with 24–26 plates, predorsal series with 3, and dorsal-fin base series with 8 plates; abdomen with plates concentrated on its central portion. Dorsal fin with I,7, pectoral fin with I,6, pelvic fin with i,5 and anal fin with 6, total rays. Ground color brown; light blotches on body, smaller on head; dark fins with light spots. Otothyropsis polyodon Calegari, Lehmann & Reis, 2013 Otothyropsis polyodon Calegari et al. 2013: 133 , fig. 3 [original descrip- tion]. Material examined. Table 2 , Figure C′. Elongated body; inferior mouth; premaxilla and dentary with 14–21 teeth. Lateral line series with 24 or 25 plates. Dorsal fin with I,7, rarely 8, pectoral fin with I,6, pelvic fin with 6 and anal fin with 6, total rays ( Calegari et al. 2013 ). Ground color brown; dark brown longitudinal stripe from snout to caudal fin; hyaline fins, with dark brown spots; upper caudal-fin lobe with dark brown spot close to its tip; lower caudal-fin lobe dark, with hyaline portion on its lower portion, frequently with small dark brown spots.