Callichthys callichthys (Linnaeus, 1758)

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, Check List 14 (2), pp. 363-378 : 373

Callichthys callichthys (Linnaeus, 1758)

Callichthys callichthys — Graça and Pavanelli 2007: 112; Hoffmann et al. 2015: 4, fig. A3.I.

Material examined. Table 2.

Elongated body; terminal mouth. Lateral line with 4 pores on upper series of plates. Dorsolateral series with 26–29 and ventrolateral series with 24–27 plates. Dorsal fin with I,7 or 8, pectoral with I,6, pelvic and anal fins with 6, total rays. Ground color pale brown to dark grey; dark fins with dark spots. Coracoid bone, between pecto- ral fins, covered by skin.