Hyphessobrycon eques (Steindachner, 1882)

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

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http://doi.org/ 10.1590/1982-0224-20170094



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Hyphessobrycon eques (Steindachner, 1882)


Hyphessobrycon eques (Steindachner, 1882) 

Fig. 8View Fig

Body moderately deep; greatest depth contained 2.7 to 2.9 and caudal peduncle depth 9.7 to 10.6 times in SL; head length 3.6 to 3.9, predorsal distance 1.9 to 2.0 and caudal peduncle length 8.6 to 11.1 in SL; snout length 4.0 to 4.5, horizontal orbital diameter 2.0 to 2.4 and least interorbital width 3.2 to 3.5 in HL. Mouth terminal; inner row of premaxilla with 3-5, outer row with 3-4, dentary with 8-11 and maxilla with 2-3 teeth. Lateral line incomplete, with 4-5 pored scales; longitudinal series with 29-33 scales; transverse series above lateral line with 5-6 scale rows and below with 3½-4 scale rows. Dorsal fin with 10-12, pectoral fin with 12-14, pelvic fin with 7 rays, anal fin with 28-32 and caudal fin with 19 rays. Ground color reddish in life; large, transversely elogate, black humeral blotch. Pelvic, caudal and anal fins red (latter with black margin); pectoral fin hyaline; dorsal fin with black blotch ( Graça, Pavanelli, 2007).

Maximum standard length. 58.0 mm ( Graça, Pavanelli, 2007).

Distribution. Amazon basin and Paraná-Paraguay system.