Callichthys callichthys (Linnaeus, 1758)

Diniz, Paulo Baltazar, Siqueira, Hatus de Oliveira, Faleiros, Tâmer de Oliveira, Pereira, Nycolas Levy, Senhorini, José Augusto, Esguícero, André Luiz Henríques & Bertelli, Célio, 2019, Fishes from lakes and tributaries of the Rio Santa Bárbara, Sapucaí-Mirim / Grande hydrographic basin, São Paulo, Brazil, Check List 15 (4), pp. 629-640 : 638

Callichthys callichthys (Linnaeus, 1758)

Figure 6I

Original description. Silurus callichthys Linnaeus 1758: 307 .

Geographic distribution. Widespread in South American rivers.

Materials examined. Vouchered materials: LIRP 15727; Sampling site E of Table 1. Non‑vouchered materials: Sampling sites A, B, D, and F of Table 1.

Identification. Body elongated, covered by plates, with 2 rows of plates in the sides of body. Circumbital bones fully covered by skin. Mouth terminal. Lateral line with 4 pores on upper series of plates. Dorsal fin with 7 or 8 rays, pectoral with 6 rays, pelvic and anal fins with 6 rays. Ground color pale brown to dark gray. Fins dark gray with black spots.