Aphyocharax dentatus (Eigenmann, Kennedy, 1903)

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 : 35

Aphyocharax dentatus (Eigenmann, Kennedy, 1903)

Fig. 9

Body elongate; greatest depth contained 3.8 to 4.7 and caudal peduncle depth 8.9 to 10.9 times in SL; head length 3.5 to 4.5, predorsal distance 1.8 to 2.0 and caudal peduncle length 7.2 to 7.6 in SL; snout length 3.2 to 4.6, horizontal orbital diameter 3.5 to 4.5 and least interorbital width 2.8 to 3.5 in HL. Mouth terminal, slightly prognathous; premaxilla with 4-8, dentary with 9-23 and maxilla with 8-17 teeth. Lateral line incomplete, with 8-13 pored scales; longitudinal series with 36- 42 scales; transverse series above lateral line with 5-7 scale rows and below with 3-4 scale rows. Dorsal fin with 9-11, pectoral fin with 10-14, pelvic fin with 7-8, anal fin with 16-22, and caudal fin with 19 rays ( Lima, 2003). Ground color silvery; diffuse, oval transversely elongated, humeral spot; no other black marks on body and fin. Caudal fin red, other fins hyaline to yellowish ( Graça, Pavanelli, 2007).

Maximum standard length. 60.0 mm ( Graça, Pavanelli, 2007).

Distribution. Paraná-Paraguay system.

Remarks. Aphyocharax dentatus is a non-native species from the upper rio Paraná and its occurence can be associated with the filling of the Itaipu Reservoir and the consequent inundation of the Sete Quedas Falls ( Graça, Pavanelli, 2007).

Figures

Fig. 9. a. Oligosarcus paranensis, NUP 303, 82.0 mm SL, Fiú Reservoir (rio Apucaraninha), Tamarana, State of Paraná. b. Oligosarcus pintoi, NUP 1772, 68.4 mm SL, rio Piquiri, Mariluz, State of Paraná. c. Psellogrammus kennedyi, 30.5 mm SL, fresh specimen, uncat. d. Aphyocharax anisitsi, 38.6 mm SL, fresh specimen, uncat. e. Aphyocharax dentatus, 48.0 mm SL, fresh specimen, uncat. f. Aphyocharax sp., NUP 3225, 33.4 mm SL, lagoa do Bilunga, Taquarussu, State of Mato Grosso do Sul. g. Galeocharax gulo, NUP 263, 200.0 mm SL, rio Paraná, Porto Rico, State of Paraná. h. Roeboides descalvadensis, NUP 3286, 88.8 mm SL, lagoa do Bilunga, Taquarussu, State of Mato Grosso do Sul.