Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated Author Ota, Renata Rúbia Author Deprá, Gabriel de Carvalho Author Graça, Weferson Júnio da Author Pavanelli, Carla Simone text Neotropical Ichthyology 2018 2018-06-11 16 2 1 111 journal article 10.1590/1982-0224-20170094 f68fe85c-2a4c-4625-b684-74f61398d6c2 1982-0224 3678395 Bryconamericus turiuba Langeani, Lucena, Pedrini, Tarelho-Pereira, 2005 Fig. 11 Body elongated; greatest body depth contained 3.3 to 4.2 and caudal peduncle depth 8.6 to 11.5 times in SL; head length 3.5 to 4.7, predorsal distance 1.8 to 2.1, and caudal peduncle length 5.6 to 7.1 in SL; snout length 2.8 to 4.6, horizontal orbital diameter 2.5 to 3.3 and least interorbital width 2.7 to 4.2 in HL. Mouth terminal; inner row of premaxilla with 4 teeth, outer row with 4 or 5, rarely 3 teeth; dentary with 3 or 4 teeth, and maxilla with 2-5 teeth. Lateral line with 37-43 pored scales; transverse series above lateral line with 4 or 5 rows and below with 3 or 4 scale rows. Dorsal fin with 10, rarely 9 or 11, pectoral fin with 11-14, pelvic fin 8, rarely 7 or 9, anal fin with 17-23, and caudal with 16 or 17 rays ( Langeani et al ., 2005 ). Ground color pale yellow; dorsal profile with dark-brown longitudinal band, from snout to caudal fin; humeral spot conspicuous and vertically elongated; silver longitudinal band (brown or grey in fixed specimens), from humeral spot to median caudal-fin rays. Fins scattered with dark-brown spots. Maximum standard length. 61.0 mm. Biological data. Lives in rapids, with rocky bottom, and lentic pools, with gravel bottom or sand and mud ( Langeani et al. , 2005 ). Distribution. Upper rio Paraná basin.