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 Pseudoplatystoma corruscans (Spix, Agassiz, 1829) 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 in SL; snout length 2.0 to 2.2, horizontal orbital diameter 9.5 to 10.8, least interorbital width 4.4 to 4.8 in HL; orbital diameter 4.4 to 4.8 in interorbital 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.