{"references": ["Lutken CF (1875) Characinae novae Brasiliae centralis a clarissimo J. Reinhardt in provincia Minas-Geraes circa oppidulum Lagoa Santa in lacu ejusdem nominis, flumine Rio das Velhas et rivulis affluenti- bus collectae, secundum caracteres essentiales breviter descriptae. Oversigt over det Danske Videnskabernes Selskabs Forhandlinger 1874: 127 - 143.", "Castro RMC, Casatti L., Santos HF, Melo ALA, Martins LSF, Ferreira KM, Gibran FZ, Benine RC, Carvalho M, Ribeiro AC, Abreu TX, Bockmann FA, Pelicao GZ, Stopiglia R, Langeani F (2004) Estrutura e composicao da ictiofauna de riachos da bacia do rio Grande no estado de Sao Paulo, sudeste do Brasil. Biota Neotropica 3: 1 - 39. http: // doi. org / b 2 sg", "Graca WJ, Pavanelli CS (2007). Peixes da planicie de inundacao do alto rio Parana e areas adjacentes. EDUEM, Maringa, 241 pp.", "Hoffmann AC, Nascimento RHC, Shibatta OA (2015) Fish fauna from tributaries throughout the Tibagi river basin, upper Parana, basin, Brazil. Check List 11: 1815. https: // doi. org / 10.15560 / 11.6.1815", "Lucena CA, Soares HG (2016) Review of species of the Astyanax bimaculatus \" caudal peduncle spot \" subgroup sensu Garutti & Langeani (Characiformes, Characidae) from the rio La Plata and rio Sao Francisco drainages and coastal systems of southern Brazil and Uruguay. Zootaxa 4071: 101 - 125. https: // doi. org / 10.11646 / zootaxa. 4072.1.5", "Bifi AG, Dias AC, Frota A (2017) Fish species (Osteichthyes: Acti- nopterygii) from two tributaries of the Rio do Peixe basin, Tupa municipality, Sao Paulo state, Brazil. Check List 13: 2063. https: // doi. org / 10.15560 / 13.2.2063", "Garutti V, Britski HA (2000) Descricao de uma nova especie de Astyanax (Teleostei: Characidae) da bacia do alto rio Parana e consideracoes sobre as demais especies do genero na bacia. Comunicacoes do Museu de Ciencias e Tecnologia, PUCRS, serie Zoologia: 13: 65 - 88."]}

Astyanax lacustris (Lütken, 1875) Tetragonopterus lacustris Lütken 1875: 131 [original description]. Astyanax scabripinnis — Castro et al. 2004: 32, fig. 4a, 4. Astyanax altiparanae — Graça and Pavanelli 2007: 54, 55; Hoffmann et al. 2015: 4, fig. A1.E. Astyanax lacustris — Lucena and Soares 2016: 103, figs. 1, 6, 8, 9; Bifi et al. 2017: 4, 5, fig. 2.6. Material examined. Table 2; Figure 5E. Deep body; terminal mouth; inner row of premaxilla with 5 teeth, outer with 4 or 5, dentary with 8–16, and no maxillary teeth. Lateral line complete, with 33–41 pored scales; transversal series above lateral line with 6–8 scale rows and below with 4–8 scale rows. Dorsal fin with 12, pectoral fin with 12 or 13, pelvic fin with 8 or 9, anal fin with 22–34, and caudal fin with 19, total rays (Garutti and Britski 2000). Ground color silvery; 1 black rounded humeral blotch followed by another vertically elongated humeral blotch, silvery longitudinal band on the flank (dark in fixed specimens) from humeral blotch to median caudal-fin rays, being larger on caudal peduncle and forming oval-shaped, horizontally elongated blotch. Yellowish fins.

Published as part of Batista-Silva, Valéria Flávia, Frota, Augusto, Kashiwaqui, Elaine Antoniassi Luiz, Abelha, Milza Celi Fedatto, Bailly, Dayani, Gubiani, Éder André & Júnio da Graça, Weferson, 2018, Ichthyofauna from three streams of the lower Iguatemi River in the upper Paraná river basin, Brazil, pp. 363-378 in Check List 14 (2) on page 369, DOI: 10.15560/14.2.363