Astyanax abramis (Jenyns 1842)

Material examined. 12 exemplars; 51.9 - 87.2 SL. CI FML 7816, 3 ex, 27° 12’ 29.6”S, 65° 37’ 39.2”W Pueblo Viejo River. CI FML 7837, 2 ex, 27° 19’ 07.5”S, 65° 41’ 51.2”W Jaya River. CI FML 7882, 1 ex, 27° 19’ 07.5”S, 65° 41’ 51.2”W Jaya River. CI FML 7887, 5 ex, 27° 19’ 07.5”S, 65° 41’ 51.2”W Jaya River. CI FML 7888, 1 ex, 27° 19’ 07.5”S, 65° 41’ 51.2”W Jaya River .

Identification. High and compressed body; complete lateral line with 42-48 perforated scales; naked caudal fin; presence of two series of teeth in the premaxilla with 5 teeth in the inner series; maxilla without maxillary teeth; dorsal fin with 9 branched rays; anal fin with 28-30 rays; dark horizontal humeral spot; fins mainly yellow color (Serra et al., 2014, Lucena and Soares, 2016)