Hypostomus strigaticeps ( Regan, 1908 )

Batista-Silva, Valéria Flávia, Frota, Augusto, Kashiwaqui, Elaine Antoniassi Luiz, Abelha, Milza Celi Fedatto, Bailly, Dayani, Gubiani, Éder André & Júnio da Graça, Weferson, 2018, Ichthyofauna from three streams of the lower Iguatemi River in the upper Paraná river basin, Brazil, Check List 14 (2), pp. 363-378 : 374

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.