Pimelodus ornatus Kner, 1858

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: 84

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http://doi.org/ 10.1590/1982-0224-20170094



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Pimelodus ornatus Kner, 1858


Pimelodus ornatus Kner, 1858  

Fig. 29 View Fig

Body deep; greatest depth contained 3.9 to 4.2 times in SL; head length 3.1 to 3.4, anal-fin base length 8.9 to 9.2, adipose-fin base length 4.9 to 6.0, maxillary-barbel length 1.6 to 1.8 in SL; snout length 2.1 to 2.3, horizontal orbital diameter 5.0 to 5.2, least interorbital width 3.1 to. 5 in HL; orbital diameter 1.5 to 1.7 in interorbital width. Mouth terminal; dentigerous tooth plates in both premaxilla and dentary. Dorsal fin with I,6, pectoral fin with I,13-15, pelvic fin with 6 and anal fin with 11-13 rays. Ground dark-brown; light-beige longitudinal band along lateral line; light-beige oblique bar from dorsal-fin origin to pelvic-fin origin. Hyaline fins; dorsal fin with dark-brown blotch; caudal fin with dark-brown longitudinal band on each lobe ( Graça, Pavanelli, 2007).

Maximum standard length. 330.0 mm ( Graça, Pavanelli, 2007).

Distribution. Widespread in South America rivers.

Remarks. Pimelodus ornatus   is a non-native species from the upper rio Paraná and its occurrence can be associated with the filling of the Itaipu Reservoir and the consequent inundation of the Sete Quedas Falls.