Bryconamericus turiuba Langeani, Lucena, Pedrini, Tarelho-Pereira, 2005

Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 40

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.

Figures

Fig. 11. a. Bryconamericus exodon, 55.8 mm SL, fresh specimen, uncat. b. Bryconamericus aff. iheringii, NUP 824, 50.0 mm SL, rio São Vicente, Missal, State of Paraná. c. Bryconamericus turiuba, NUP 6170, 59.3 mm SL, rio Iguatemi, tributary of the rio Paraná, Coronel Sapucaia, State of Mato Grosso do Sul. d. Diapoma guarani, NUP 17635, 31.2 mm SL, Canal da Piracema, Foz do Iguaçu, State of Paraná. e. Knodus moenkhausii, NUP 3211, 48.0 mm SL, riacho Água Nanci, Porto Rico, State of Paraná. f. Piabarchus stramineus, NUP 3298, 70.0 mm SL, rio Paraná, Porto Rico, State of Paraná. g. Piabina argentea, 68.0 mm SL, uncat. h. Planaltina britskii, NUP 11802, 27.5 mm SL, lagoa Genipapo (ilha Porto Rico, Foz do Iguaçu, State of Paraná.