Rhinodoras dorbignyi (Kner, 1855)

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 : 67

Rhinodoras dorbignyi (Kner, 1855)

Fig. 20

Body deep; greatest body depth contained 3.5 to 4.5, head length 3.1 to 3.6 times in SL; snout length contained 1.9 to 2.2, horizontal orbital diameter 6.5 to 9.8 and least interorbital width 4.7 to 6.2 times in HL; orbital diameter contained 1.2 to 1.8 times in interorbital width. Mouth subterminal; 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 8 or 9 rays. Ground color yellowish; dark-brown irregular blotches on body. Hyaline or light-beige fins with darkbrown blotches and spots ( Graça, Pavanelli, 2007).

Maximum standard length. 172.0 mm ( Graça, Pavanelli, 2007).

Distribution. Paraná-Paraguay system.

Figures

Fig. 20. a. Ossancora eigenmanni, NUP 6326, 99.1 mm SL, Rosana Reservoir, rio Paranapanema, Diamante do Norte, State of Paraná. b. Platydoras armatulus, NUP 1052, 132.9 mm SL, baia Sinhá Mariana, Barão de Melgaço, State of Mato Grosso. c. Pterodoras granulosus, 600.0 mm SL, fresh specimen, uncat. d. Rhinodoras dorbignyi, 135.5 mm SL, fresh specimen, uncat. e. Trachydoras paraguayensis, 125.0 mm SL, fresh specimen, uncat.