Leporellus vittatus (Valenciennes, 1850)

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

Leporellus vittatus (Valenciennes, 1850)

Fig. 3

Description. Body elongated; greatest depth contained 3.7 to 4.5, and caudal peduncle depth 10.3 to 10.7 times in SL; head length 3.8 to 4.2, predorsal distance 2.2 to 2.4, caudal peduncle length 5.2 to 5.5 in SL; snout length 2.2 to 2.6, horizontal orbital diameter 3.8 to 5.7 and least interorbital width 2.5 to 2.7. Mouth terminal; premaxilla and dentary with 4 teeth, no maxillary teeth. Lateral line with 41-43 pored scales; transverse series above lateral line with 5½ scale rows and below with 4 scale rows. Dorsal fin with 10 or 11, pectoral fin with 14-16, pelvic fin with 9 or 10, anal fin with 10 and caudal fin with 19 rays. Ground color silvery to yellowish; dark-brown spots on dorsal and lateral portion of head; several longitudinal series of dark-brown spots on flank scales; dark-brown longitudinal band along lateral line, extending to median caudal-fin rays. Yellowish fins; black blotch on dorsal fin and two black oblique stripes on each caudal-fin lobe ( Graça, Pavanelli, 2007).

Maximum standard length. 220.0 mm SL ( Graça, Pavanelli, 2007).

Distribution. Amazon, Paraná-Paraguay system and rio São Francisco basin.

Figures

Fig. 3. a. Acestrorhynchus lacustris, 150.0 mm SL, fresh specimen, uncat. b. Acestrorhynchus pantaneiro, 147.0 mm SL, fresh specimen, uncat. c. Leporellus vittatus, NUP 1902, 200.0 mm SL, Itaipu Reservoir, Foz do Iguaçu, State of Paraná.