Sternarchorhynchus britskii, Campos-da-Paz, 2000

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 : 56

Sternarchorhynchus britskii Campos-da-Paz, 2000

Fig. 16

Body elongated and compressed; greatest depth contained 6.9 to 7.9 times in TL; head length 4.7 to 5.2, analfin base length 1.1, preanal distance 7.0 to 8.2 and prepectoral distance 4.6 to 5.1 in LEA; snout length (prolonged into rostrum) 1.5 to 1.6, horizontal orbital diameter 24.4 to 32.2 and least interorbital width 14.1 to 21.7 in HL. Mouth terminal. Pectoral fin with 14-15 and anal fin with 166 to 178 rays. Transversal series above lateral line with 11 to 13 scale rows ( Campos-da-Paz, 2000). Ground color brown, with middorsal light-brown stripe on head. Light-brown fins ( Graça, Pavanelli, 2007).

Maximum total length. 212.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.

Figures

Fig. 16. a. Apteronotus acidops, NUP 1750, 240.0 mm TL, Itaipu Reservoir, Guaíra, State of Paraná. b. Apteronotus aff. albifrons, 100.0 mm TL, uncat. c. Apteronotus cf. caudimaculosus, 260.0 mm TL, uncat. d. Apteronotus ellisi, 128.2 mm TL, uncat. e. Sternarchorhynchus britskii, 212.0 mm TL, uncat. f. Gymnotus inaequilabiatus, 238.0 mm TL, uncat. g. Gymnotus pantanal, NUP 13328, 138.6 mm SL, ribeirão Jacutinga, São Jorge do Ivaí, State of Paraná. h. Gymnotus paraguensis, 250.0 mm TL, uncat. i. Gymnotus sylvius, MZUSP 83538, paratype, 260.0 mm TL, rio Ribeira de Iguape, next to Miracatu, Miracatu, State of São Paulo.