Astyanax schubarti Britski, 1964

Fig. 7

Body deep; greatest depth contained 2.4 to 2.5 and caudal peduncle depth 10.7 to 11.2 times in SL; head length 4.1 to 4.6, predorsal distance 2.0 to 2.1 and caudal peduncle length 10.1 to 11.6 in SL; snout length 3.7 to 3.8, horizontal orbital diameter 2.1 to 2.2 and least interorbital width 3.0 to 3.1 in HL. Mouth terminal; inner row of premaxilla with 5, outer with 3-5, dentary with 10-13, and maxilla with one tooth. Lateral line complete, with 37-38 pored scales; transverse series above lateral line with 6-7 scale rows and below with 6 scale rows. Dorsal fin with 10-11, pectoral fin with 14-16, pelvic fin with 9, anal fin with 29-35 and caudal fin with 19 rays (Britski, 1964). Ground color pale yellow; dark-brown longiudinal stripe, along middle of body, from humeral spot to median caudal-fin rays; dark-brown humeral spot, transversely elongate. Dorsal and caudal fins yellowish, other fins hyaline (Graça, Pavanelli, 2007).

Maximum standard length. 89.0 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.