Pterodoras granulosus (Valenciennes, 1821)

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 : 66

publication ID

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

DOI

https://doi.org/10.5281/zenodo.3681799

persistent identifier

https://treatment.plazi.org/id/03894103-3806-FFA8-FF78-FCC92E75056A

treatment provided by

Carolina

scientific name

Pterodoras granulosus (Valenciennes, 1821)
status

 

Pterodoras granulosus (Valenciennes, 1821) View in CoL

Fig. 20 View Fig

Body deep; greatest body depth contained 2.9 to 4.4, head length 3.4 to 4.4 times in SL; snout length contained 2.2 to 2.3, horizontal orbital diameter 8.3 to 11.8 and least interorbital width 2.5 to 3.1 times in HL; orbital diameter contained 3.1 to 4.3 times in interorbital width. Mouth terminal; with dentigerous plates in both premaxilla and dentary. Lateral line with 27-28 plates. Dorsal fin with I,6, pectoral fin with I,8- 10, pelvic fin with 7 and anal fin with 12 or 13 rays. Ground color pale brown to greyish, darker dorsally, lighter ventrally; dark-brown or grey chromatophores irregularly distributed on body. Dark-brown or yellowish fins ( Graça, Pavanelli, 2007).

Maximum standard length. 635.0 mm ( Graça, Pavanelli, 2007).

Distribution. Amazon, río Paraná and coastal drainages of Guyana, Surinam and French Guiana.

Remarks. Pterodoras granulosus 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.

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