Hypostomus iheringii ( 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 iheringii ( Regan, 1908)

Plecostomus iheringii Regan 1908: 795 , pl. 47, fig. 1 [original descrip- tion].

Hypostomus sp. — Graça and Pavanelli 2007: 136.

Material examined. Table 2.

Deep body; inferior mouth; teeth bifid; premaxilla with 32–41 and dentary with 35–42 teeth. Mid-lateral series with 24–27 plates, predorsal series with 3, and dorsal-fin base series with 8 plates. Dorsal fin with I,7, pectoral fin with I,6, pelvic fin with i,5, and anal fin with 6, total rays. Ground color brownish; dark brown blotches, occasionally inconspicuous.

Hyspostomus ancistroides ( Ihering, 1911) Plecostomus ancistroides Ihering 1911: 396 [original description]. Hypostomus ancistroides — Oyakawa et al. 2005: 4, 10, 11, 12; fig. 4;

Graça and Pavanelli 2007: 126, 128; Hoffmann et al. 2015: 4, fig.

A4.C; Bifi et al. 2017: 4, fig. 2.22.

Material examined. Table 2; Figure 5 B′.

Deep body; inferior mouth; teeth bifid; premaxilla with 24–33 and dentary with 23–35 teeth. Mid-lateral series with 27 or 28 plates, predorsal series with 3, and dorsalfin base series with 8 or 9 plates. Dorsal fin with I,7; pectoral fin with I,6; pelvic fin with i,5; and anal fin with 6, total rays. Brown ground color; dark brown blotches on body, especially on the dorsal region; dark fins with dark brown spots.