Planaltina britskii Menezes, Weitzman, Burns, 2003

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 : 42

Planaltina britskii Menezes, Weitzman, Burns, 2003

Fig. 11

Body elongate; greatest body depth contained 3.9 to 5.4, caudal peduncle depth 7.1 to 10.0 times in SL; head length 3.9 to 4.6, predorsal distance 1.8 to 1.9, and caudal peduncle length 7.0 to 10.3 in SL; snout length 3.3 to 4.5, horizontal orbital diameter 2.4 to 2.8, and least interorbital width 2.8 to 4.3 times in HL. Mouth terminal; outer row of premaxilla with 3, inner row with 4; maxilla with 2 teeth. Lateral line complete, with 38-42 pored scales; transverse series above lateral line with 5 scales above and below with 4 scale rows. Dorsal fin with 10, pectoral fin with 10-12, pelvic fin with 7, anal with 19-24, and caudal fin with 19 rays ( Menezes et al., 2003). Ground color silvery to pale yellow; dark-brown longitudinal stripe from humeral region to caudal fin, forming irregular spot on base of median rays ( Graça, Pavanelli, 2007).

Maximum standard length. 40.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.

Figures

Fig. 11. a. Bryconamericus exodon, 55.8 mm SL, fresh specimen, uncat. b. Bryconamericus aff. iheringii, NUP 824, 50.0 mm SL, rio São Vicente, Missal, State of Paraná. c. Bryconamericus turiuba, NUP 6170, 59.3 mm SL, rio Iguatemi, tributary of the rio Paraná, Coronel Sapucaia, State of Mato Grosso do Sul. d. Diapoma guarani, NUP 17635, 31.2 mm SL, Canal da Piracema, Foz do Iguaçu, State of Paraná. e. Knodus moenkhausii, NUP 3211, 48.0 mm SL, riacho Água Nanci, Porto Rico, State of Paraná. f. Piabarchus stramineus, NUP 3298, 70.0 mm SL, rio Paraná, Porto Rico, State of Paraná. g. Piabina argentea, 68.0 mm SL, uncat. h. Planaltina britskii, NUP 11802, 27.5 mm SL, lagoa Genipapo (ilha Porto Rico, Foz do Iguaçu, State of Paraná.