Apareiodon piracicabae (Eigenmann, 1907)

Fig. 14

Body elongated; greatest body depth contained 3.4 to 5.2 and caudal peduncle depth 6.9 to 9.9 times in SL; head length 3.9 to 5.0, predorsal distance 2.0 to 2.2 and caudal peduncle length 7.3 to 13.6 in SL; snout length 2.7 to 3.4, horizontal orbital diameter 3.2 to 4.8, least interorbital width 2.3 to 3.4 and dentary width 3.7 to 5.9 in HL. Mouth subterminal; premaxilla with 4, maxilla with 1 or 2 and dentary with no teeth. Lateral line with 39-46 pored scales; transverse series above lateral line with 4½ or 5 scale rows and below with 3 or 4½ scale rows. Dorsal fin with 10-13, pectoral fin with 11-14, pelvic fin with 7-9, anal fin with 7 or 8 and caudal fin with 18 or 19 rays (Pavanelli, 1999). Ground color silvery to pale yellow; black longitudinal band along lateral line, from opercle to median caudal-fin rays, without adjacent brown or grey blotches downwards; six to eight dark-brown transverse bars above longitudinal band. Hyaline fins or with few scattered brown cromathophores (Graça, Pavanelli, 2007).

Maximum standard length. 165.0 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná and rio São Francisco basins.