Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated
Ota, Renata Rúbia
Deprá, Gabriel de Carvalho
Graça, Weferson Júnio da
Pavanelli, Carla Simone
Neotropical Ichthyology
2018
2018-06-11
16
2
1
111
4P84P
(Spix, Agassiz, 1829)
Spix, Agassiz
1829
[172,738,1331,1355]
Actinopterygii
Pimelodidae
Pseudoplatystoma
Animalia
Siluriformes
84
85
Chordata
species
corruscans
Fig. 30
Body deep; greatest depth contained 5.8 to 6.3 times in SL; head length 2.4 to 3.2, anal-fin base length 8.4 to 8.8, adipose-fin base length 10.7 to 14.4, maxillary-barbel length 2.4 to 2.9 inSL; snout length 2.0 to 2.2, horizontal orbital diameter 9.5 to 10.8, least interorbital width 4.4 to 4.8 inHL; orbital diameter 4.4 to 4.8 ininterorbital width. Mouth subterminal, premaxilla slightly longer than dentary dentigerous tooth plates in both premaxilla and dentary. Dorsal fin with 7, pectoral fin with I,9, pelvic fin with 7 and anal fin with 12-15 rays. Ground color dark-grey above lateral line, whitish below; several dark-brown blotches on body. Hyaline fins with few black spots ( Graça, Pavanelli, 2007). Maximum standard length.860.0 mm ( Graça, Pavanelli, 2007).
Distribution.São Francisco basin and Paraná-Paraguay system.