Schizodon altoparanae Garavello, Britski, 1990

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 : 23

Schizodon altoparanae Garavello, Britski, 1990

Fig. 5

Body elongated; greatest depth contained 3.6 to 3.8, caudal peduncle depth 9.0 times in SL; head length 4.0 to 4.5, predorsal distance 2.0 to 2.5, caudal peduncle length 7.7 to 8.0 in SL; snout length 2.0 to 2.5, horizontal orbital diameter 2.0 to 2.5, least interorbital width 2.0 to 2.5 and dentary width 5.0 to 5.5 in HL. Mouth terminal; premaxilla and dentary with 4 teeth, no maxillary teeth. Lateral line with 42 or 43 pored scales; transverse series above lateral line with 5 scale rows and below with 4 or 4½ scale rows. Dorsal fin with 14 or 15, pectoral fin with 13-17, pelvic fin with 9, anal fin with 12 or 13 and caudal fin with 19 rays ( Garavello, Britski, 1990). Ground color silvery to yellowish; black oval, horizontally elongated, blotch on posterior half of caudal peduncle and caudal-fin base, extending to median caudal-fin rays. Hyaline fins ( Graça, Pavanelli, 2007).

Maximum standard length. 300.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.

Figures

Fig. 5. a. Megaleporinus macrocephalus, NUP 1838, 470.0 mm SL, rio Chopim, Cruzeiro do Iguaçu, State of Paraná. b. Megaleporinus obtusidens, 190.8 mm SL, fresh specimen, uncat. c. Megaleporinus piavussu, 148.9 mm SL, fresh specimen, uncat. d. Schizodon altoparanae, MZUSP 41102, holotype, 282.2 mm SL, rio Paraná, in front of Jupiá, Três Lagoas, State of Mato Grosso do Sul. e. Schizodon borellii, 207.5 mm SL, fresh specimen, uncat. f. Schizodon nasutus, NUP 2495, 160.0 mm SL, Itaipu Reservoir, Santa Helena, State of Paraná.