Hypostomus albopunctatus (Regan, 1908)

Fig. 23

Body deep; greatest body depth contained 4.5 to 5.0 and caudal peduncle depth 9.5 to 10.2 times in SL; head length 2.9 to 3.4, predorsal distance 2.3 to 2.6, dorsal-fin spine length 3.3 to 5.2, pectoral-fin spine length 3.2 to 4.1, adipose-fin spine length 9.5 to 10.9 and caudal peduncle length 3.0 to 3.6 in SL; snout length 1.3 to 1.7, horizontal orbital diameter 7.0 to 9.3 and least interorbital width 2.7 to 3.3 in HL. Mouth inferior; premaxilla with 27-46 and dentary with 25-46 teeth. Mid-lateral series with 26 or 27, predorsal series with 3-5, and dorsal-fin base series with 7 or 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 dark-brown or grey; light-beige spots on body, smaller on head. Darkbrown or grey fins with white or light-beige spots.

Maximum standard length. 315.0 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.