Oligosarcus pintoi Campos 1945

Oligosarcus pintoi Campos, 1945

Fig. 9

Body deep; greatest depth contained 2.5 to 3.1 and caudal peduncle depth 8.4 to 9.6 times in SL; head length 3.7 to 3.8, predorsal distance 1.7 to 1.9 and caudal peduncle length 9.5 to 9.6 in SL; snout length 3,5 to 4.2, horizontal orbital diameter 2.4 to 2.5 and least interorbital width 3.5 to 3.6 in HL. Mouth terminal; premaxilla with 10-12 teeth, dentary with 10-18, and maxilla with 15-23 teeth. Lateral line complete, with 36-40 pored scales; transverse series above lateral line with 7-9 scale rows and below with 6-8 scale rows. Dorsal fin with 12, pectoral fin with 14-17, pelvic fin with 9, anal fin with 28-33 and caudal fin with 19 rays (Menezes, 1987). Ground color yellowish to silvery; black rounded humeral spot with diffuse dorsal and ventral extensions, followed by second, inconspicuous humeral spot; silvery longitudinal stripe on flank (brown or grey in preserved specimens), from humeral spot to median caudalfin rays, widest along caudal peduncle, forming horizontally elongate blotch. Yellowish fins, reddish in reproductive season (Graça, Pavanelli, 2007).

Maximum standard length. 76 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.