Planaltina britskii Menezes, Weitzman, Burns, 2003

Fig. 11

Body elongate; greatest body depth contained 3.9 to 5.4, caudal peduncle depth 7.1 to 10.0 times in SL; head length 3.9 to 4.6, predorsal distance 1.8 to 1.9, and caudal peduncle length 7.0 to 10.3 in SL; snout length 3.3 to 4.5, horizontal orbital diameter 2.4 to 2.8, and least interorbital width 2.8 to 4.3 times in HL. Mouth terminal; outer row of premaxilla with 3, inner row with 4; maxilla with 2 teeth. Lateral line complete, with 38-42 pored scales; transverse series above lateral line with 5 scales above and below with 4 scale rows. Dorsal fin with 10, pectoral fin with 10-12, pelvic fin with 7, anal with 19-24, and caudal fin with 19 rays (Menezes et al., 2003). Ground color silvery to pale yellow; dark-brown longitudinal stripe from humeral region to caudal fin, forming irregular spot on base of median rays (Graça, Pavanelli, 2007).

Maximum standard length. 40.0 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.