Imparfinis borodini Mees, Cala, 1989

Fig. 21

Body elongated; greatest body depth contained 8.0, head depth 10.1 and caudal peduncle depth 14.4 times in SL; head length 4.0, anal-fin base length 8.8, adipose-fin base length 2.9 and maxillary-barbel length 4.8 times in SL; snout length 3.0, horizontal orbital diameter 5.7 and least interorbital width 4.5 times in HL. Mouth terminal; premaxilla and dentary with several diminute teeth. Dorsal fin with 7, pectoral fin with 8, pelvic fin with 6 and anal fin with 8 rays. Ground color pale brown; dark-brown transverse bars on dorsum; dark-brown inconspicuous longitudinal stripe along lateral line.

Maximum standard length. 105.0 mm.

Biological data. Lives in streams with sand, silt and pebbles (Sarmento-Soares et al., 2016).

Distribution. Upper rio Paraná, rio São Francisco and rio Tocantins basins.