Leporinus friderici (Bloch, 1794)

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 : 19

Leporinus friderici (Bloch, 1794)

Fig. 4

Body elongated; greatest depth contained 3.2 to 4.1, and caudal peduncle depth 9.3 to 10.5 times in SL; head length 4.0 to 4.3, predorsal distance 2.1 to 2.3, caudal peduncle length 8.6 to 10.5 in SL; snout length 2.4 to 2.6, horizontal orbital diameter 3.2 to 3.9 and least interorbital width 2.1 to 2.8. Mouth terminal; premaxilla and dentary with 4 teeth, no maxillary teeth. Lateral line with 37-41 pored scales; transverse series above lateral line with 4-5½ scale rows and below with 4-5½ scale rows. Dorsal fin with 11 or 12, pectoral fin with 15-17, pelvic fin with 9, anal fin with 10 and caudal fin with 19 rays. Ground color silvery to yellowish; superior region of orbit red; three dark-brown rounded or oval, horizontaly elongated, blotches on flank; region of contact between flank scales below lateral line with orange or red spots, forming longitudinal series. Fins yellowish ( Graça, Pavanelli, 2007).

Maximum standard length. 370.0 mm ( Graça, Pavanelli, 2007).

Distribution. Drainages of Surinam, Amazon basin and Paraná-Paraguay system.

Figures

Fig. 4. a. Leporinus amblyrhynchus, 97.5 mm SL, uncat. b. Leporinus friderici, 189.2 mm SL, fresh specimen, uncat. c. Leporinus lacustris, NUP 3308, 210.0 mm SL, ressaco do Pau Veio, tributary of the rio Paraná, Porto Rico, State of Paraná. d. Leporinus octofasciatus, NUP 281, 148.9 mm SL, rio São Francisco Falso, Santa Helena, State of Paraná. e. Leporinus striatus, 69.2 mm SL, uncat. f. Leporinus tigrinus, NUP 17488, 180.1 mm SL, rio Paraná, Querência do Norte, State of Paraná.