Astyanax lacustris (Lütken, 1875), X LEEF

Smith, Welber Senteio, Halcsik, Leticia, Biagioni, Renata Cassemiro, Pinheiro, Lúcio Antônio Stefani & Severino Stefani, Marta, 2021, An updated list of the ichthyofauna of Ipanema National Forest, São Paulo, Brazil, Check List 17 (3), pp. 827-840 : 831

publication ID 10.15560/17.3.827

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Astyanax lacustris (Lütken, 1875)


Astyanax lacustris (Lütken, 1875)  

Figure 2B

Material examined. BRAZIL – São Paulo • Iperó, Hedberg Dam ; 23°25.46′S, 047°35.54′W; 550 m alt.; 12. II.2012; W.S. Smith and L. Halcsik leg.; cast nets; LEEF 15132 , 115147 , LEEF 115156 , LEEF 1115167 (18 spec., 90.0− 130.5 mm SL) GoogleMaps   .

Identification. Body deep and high; mouth terminal; inner row of premaxilla with 5 teeth, outer row with 4 or 5, dentary with 8–16, no maxillary teeth. Lateral line com- plete, with 34–36 scales; transversal series above lateral line with 7–7½ scale rows and below with 6–6½ scale rows. Dorsal fin with 10 rays, pectoral fin with 12 or 13 rays, pelvic fin with 9 rays, anal fin with 25–27 rays, and caudal fin with 19 rays. Ground color silvery; one black rounded humeral blotch followed by another vertically elongated humeral blotch to median caudal-fin rays. Yel- lowish fins ( Graça and Pavanelli 2007; Ota et al. 2018).