Parodon nasus Kner, 1859

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 : 50

Parodon nasus Kner, 1859

Fig. 14

Body elongated; greatest body depth contained 3.5 to 4.6 and caudal peduncle depth 7.0 to 8.5 times in SL; head length 4.2 to 5.0, predorsal distance 1.9 to 2.4 and caudal peduncle length 7.4 to 10.8 in SL; snout length 2.3 to 2.9, horizontal orbital diameter 3.4 to 4.9, least interorbital width 2.3 to 2.7 and dentary width 3.8 to 5.1 in HL. Mouth subterminal; premaxilla with 4, dentary with 2-4 and maxilla with 2 teeth. Lateral line with 35-39 pored scales; transverse series above lateral line with 4½ scale rows and below with 3 or 3½ scale rows. Dorsal fin with 11 or 12, pectoral fin with 13-16, pelvic fin with 8 or 9, anal fin with 8 or 9 and caudal fin with 19 rays ( Pavanelli, 1999). Ground color pale brown dorsally and pale yellow ventrally; black longitudinal band along lateral line, from opercle to median caudal-fin rays, with projections upwards and downwards, conferring zigzag pattern. Hyaline or yellowish ( Graça, Pavanelli, 2007).

Maximum standard length. 117.0 mm ( Graça, Pavanelli, 2007).

Distribution. Paraná-Paraguay system.

Figures

Fig. 14. a. Pyrrhulina australis, NUP 3345, 29.5 mm SL, lagoa do Bilunga, Taquarussu, State of Mato Grosso do Sul. b. Apareiodon affinis, 93.3 mm SL, uncat.c. Apareiodon piracicabae, 120.0 mm SL, uncat. d. Apareiodon vladii, 102.1 mm SL, uncat. e. Parodon nasus, 102.5 mm SL, fresh specimen, uncat. f. Prochilodus lineatus, 495.2 mm SL, fresh specimen, uncat.