Sternopygus macrurus (Bloch, Schneider, 1801)

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 : 60

Sternopygus macrurus (Bloch, Schneider, 1801)

Fig. 17

Body elongated and compressed; greatest body depth contained 7.9 to 10.0 times in TL; head length 8.6 to 9.6, anal-fin base length 1.1 to 1.2, caudal filament length 2.6 to 4.9, preanal distance 6.8 to 7.6 and prepectoral distance 6.6 to 7.4 in LEA; snout length 2.6 to 3.0, horizontal orbital diameter 10.7 to 12.0 and least interorbital width 3.3 to 3.9 in HL. Mouth terminal. Pectoral fin with 15 or 17 and anal fin with 221-247 rays ( Campos-da-paz, 1997). Lateral line complete, with 193-269 pored scales. Transversal series above lateral line with 20-22 scale rows. Ground color and fin rays greyish-brown, inter-radial membranes hyaline; dark-brown humeral spot, occasionally inconspicuous ( Graça, Pavanelli, 2007).

Maximum total length. 550.0 mm TL ( Graça, Pavanelli, 2007).

Distribution. Amazon and río de La Plata basin.

Figures

Fig. 17. a. Brachyhypopomus gauderio, NUP 2510, 112.2, lagoa do Aurélio, Taquarussu, State of Mato Grosso do Sul. b. Gymnorhamphichthys britskii, NUP 3337, 115.0 mm TL, rio Baía, Taquarussu, State of Mato Grosso do Sul. c. Rhamphichthys hahni, 567.3 mm TL, uncat. d. Eigenmannia guairaca, NUP 16151, 112.3 mm TL, córrego Água Boa, tributary of the rio Iguatemi, Mundo Novo, Mato Grosso do Sul State. e. Eigenmannia trilineata, 109.2 mm TL, fresh specimen, uncat. f. Eigenmannia virescens, 205.0 mm TL, uncat. g. Sternopygus macrurus, NUP 2096, 280.0 mm TL, rio Paraná, Porto Rico, State of Paraná.