Astyanax schubarti Britski, 1964

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 : 28

Astyanax schubarti Britski, 1964

Fig. 7

Body deep; greatest depth contained 2.4 to 2.5 and caudal peduncle depth 10.7 to 11.2 times in SL; head length 4.1 to 4.6, predorsal distance 2.0 to 2.1 and caudal peduncle length 10.1 to 11.6 in SL; snout length 3.7 to 3.8, horizontal orbital diameter 2.1 to 2.2 and least interorbital width 3.0 to 3.1 in HL. Mouth terminal; inner row of premaxilla with 5, outer with 3-5, dentary with 10-13, and maxilla with one tooth. Lateral line complete, with 37-38 pored scales; transverse series above lateral line with 6-7 scale rows and below with 6 scale rows. Dorsal fin with 10-11, pectoral fin with 14-16, pelvic fin with 9, anal fin with 29-35 and caudal fin with 19 rays ( Britski, 1964). Ground color pale yellow; dark-brown longiudinal stripe, along middle of body, from humeral spot to median caudal-fin rays; dark-brown humeral spot, transversely elongate. Dorsal and caudal fins yellowish, other fins hyaline ( Graça, Pavanelli, 2007).

Maximum standard length. 89.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.

Figures

Fig. 7. a. Astyanax biotae, NUP 15137, 44.1 mm SL, córrego Peroba, tributary of the rio Ivinheima, Jateí, State of Mato Grosso do Sul. b. Astyanax bockmanni, 67.2 mm SL, fresh specimen, uncat. c. Astyanax aff. fasciatus, NUP 32, 65.0 mm SL, rio Paraná, Porto Rico; d. Astyanax lacustris, 79.9 mm SL, fresh specimen, uncat. e. Astyanax aff. paranae, NUP 3045, 72.9 mm SL, ribeirão Lageado, Marechal Cândido Rondon, State of Paraná. f. Astyanax schubarti, MZUSP 17101, 68.4 mm SL, rio Jaguara-mirim, São Paulo.