Rhinelepis aspera Spix, Agassiz, 1829

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 : 81

Rhinelepis aspera Spix, Agassiz, 1829

Fig. 27

Body elongated; greatest depth contained 3.8 to 4.3 and caudal peduncle depth 7.4 to 8.3 times in SL; head length 2.5 to 3.1, predorsal distance 2.2 to 2.5, dorsalfin spine length 4.4 o 4.7, pectoral-fin length 4.3 to 4.7, and caudal peduncle length 3.5 to 3.9 in SL; snout length 1.5 to 1.6, horizontal orbital diameter 10.0 to 10.8 and least interorbital width 1.6 to 2.0 in HL. Mouth inferior; premaxilla with 16-57 and dentary with 19-59 teeth. Midlateral series with 23-25, predorsal series with 3 or 4, and dorsal-fin base series with 6-8 plates. Dorsal fin with I,7 rays, pectoral fin with I,6 rays, pelvic fin with i,6 and anal fin with 6 rays. Ground color dark-grey, without blotches, as well as fins ( Graça, Pavanelli, 2007).

Maximum standard length. 440.0 mm ( Graça, Pavanelli, 2007).

Distribution. Rio São Francisco and upper rio Paraná basins.

Figures

Fig. 27. a. Curculionichthys insperatus, NUP 18971, 28.9 mm SL, córrego Dourado, tributary of the rio Paraná, Japorã, State of Mato Grosso do Sul. b. Otothyropsis marapoama, NUP 9394, 28.4 mm SL, córrego Baile, tributary of the rio Ivinheima, Nova Andradina, State of Mato Grosso do Sul. c. Otothyropsis polyodon, NUP 18972, 39.1 mm SL, córrego Guaçu, tributary of the rio Iguatemi, Mundo Novo, State of Mato Grosso do Sul. d. Rhinelepis aspera, 360.0 mm SL, fresh specimen, uncat.