Hypostomus iheringii (Regan, 1908)
Fig. 24
Body deep; greatest body depth contained 4.2 to 4.7 and caudal-peduncle depth 8.3 to 8.6 times in SL; head length 2.8 to 3.0, predorsal distance 2.2 to 2.3, dorsal-fin spine length 3.4 to 3.6, pectoral-fin spine length 3.0 to 3.2, adipose-fin spine length 9.0 to 10.1, and caudal-peduncle length 3.2 to 3.4 times in SL; snout length 1.6 to 1.8, horizontal orbital diameter 4.4 to 5.5, and least interorbital width 2.7 to 2.8 in HL. Mouth inferior; pre-maxilla with 32-41 and dentary with 35-42 teeth. Mid-lateral series with 24-27 plates, predorsal series with 3 plates, and dorsalfin 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 rays. Ground color brownish; dark-brown blotches, occasionally inconspicuous.
Maximum standard length. 210.0 mm.
Distribution. Upper rio Paraná basin.
Remarks. Hypostomus iheringii was identified as Hypostomus sp. by Graça, Pavanelli (2007).