Pinirampus pirinampu (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 : 85

Pinirampus pirinampu (Agassiz, 1829)

Fig. 30

Body deep; greatest depth contained 5.1 to 5.3 times in SL; head length 4.2 to 4.5, anal-fin base length 7.6 to 8.5, adipose-fin base length 2.3 to 2.6, maxillary-barbel length 1.1 to 1.4 in SL; snout length 2.0 to 2.2, horizontal orbital diameter 7.0 to 9.2, least interorbital width 2.6 to 2.9 in HL; orbital diameter 2.6 to 3.5 in interorbital width. Mouth terminal; dentigerous tooth plates in both premaxilla and dentary. Dorsal fin with 7, pectoral fin with 13-17, pelvic fin with 7 and anal fin with 11-15 rays. Ground color greyish to pale brown. Dorsal, pectoral and caudal fins grey, pelvic and anal fins hyaline ( Graça, Pavanelli, 2007).

M aximum standard length. 680.0 mm ( Graça, Pavanelli, 2007).

Distribution. Amazon and río Essequibo basins, and Paraná-Paraguay system.

Figures

Fig. 30. a. Pinirampus pirinampu, 620.0 mm SL, fresh specimen, uncat. b. Pseudoplatystoma corruscans, 675.0 mm SL, fresh specimen, uncat. c. Pseudoplatystoma reticulatum, 580.0 mm SL, fresh specimen, uncat. d. Sorubim lima, 487.0 mm SL, fresh specimen, uncat. e. Steindachneridion scriptum, 320.0 mm SL, uncat. f. Zungaro jahu, 800.0 mm SL, fresh specimen, uncat.