Imparfinis schubarti (Gomes, 1956)

Fig. 21

Body elongated; greatest body depth contained 5.1 to 5.3, head depth 6.9 to 7.4 and caudal peduncle depth 8.4 to 9.0 times in SL; head length 4.8 to 5.3, anal-fin base length 6.4 to 7.0, adipose-fin base length 4.7 to 5.6 and maxillarybarbel length 2.4 to 2.7 times in SL; snout length 2.2 to 2.4, horizontal orbital diameter 3.4 to 4.5 and least interorbital width 3.6 to 3.8 times in HL. Mouth terminal; premaxilla and dentary with several diminute and viliform teeth. Dorsal fin with 7, pectoral fin with 8-11, pelvic fin with 6 and anal fin with 11-14 rays. Ground color beige; few scaterred dark-brown on body, except on ventral regdion of head and abdominal region; dark-brown transverse bars on dorsum; dark-brown conspicuous longitudinal stripe along lateral line. Yellowish or hyaline fins (Graça, Pavanelli, 2007).

Maximum standard length. 70.4 mm (Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.