Cyphocharax nagelii (Steindachner, 1881)

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: 44

publication ID 10.1590/1982-0224-20170094


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Cyphocharax nagelii (Steindachner, 1881)


Cyphocharax nagelii (Steindachner, 1881)  

Fig. 12 View Fig

Body elongated; greatest body depth contained 3.0 to 3.4 and caudal peduncle depth 7.7 to 8.3 times in SL; head length 3.3 to 3.7, predorsal distance 2.0 to 2.2 and caudal peduncle length 10.3 to 10.7 in SL; snout length 3.1 to 3.4, horizontal orbital diameter 3.3 to 4.0 and least interorbital width 2.6 to 2.8 in HL. Mouth terminal; premaxilla, dentary and maxilla without teeth in adults. Lateral line with 39-45 pored scales; transverse series above lateral line with 7½-9 scale rows and below with 6½-7½ scale rows. Dorsal fin with 11 or 12, pectoral fin with 13-15, pelvic fin with 9 or 10, anal fin with 8 or 9 and caudal fin with 19 rays ( Vari, 1992). Ground color silvery; dark-brown inconspicuous longitudinal band along lateral line to distal margin of median caudal-fin rays, larger on caudal peduncle. Hyaline fins ( Graça, Pavanelli, 2007).

Maximum standard length. 165.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.