Corydoras aeneus (Gill, 1858)

Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 63

Corydoras aeneus (Gill, 1858)

Fig. 19

Body deep and elliptical; greatest depth contained 2.0 to 2.5 and caudal peduncle depth 7.8 to 8.4 times in SL; head length 3.1 to 3.8, predorsal distance 2.1 to 2.3 and maxillary-barbel length 5.3 to 5.5 in SL; snout length 1.8 to 1.9, horizontal orbital diameter 3.6 to 4.2 and least interorbital width 1.6 to 2.3 in HL. Mouth inferior. Lateral line with 4-6 pores on upper series of plates. Dorsolateral series with 20-23 and ventrolateral series with 19-22 plates. Dorsal fin with I,7 or 8, pectoral with I,8-10, pelvic fin with 6 and anal fin with 6-8 rays. Ground color dark-grey dorsally and yellowish ventrally; large black or dargrey regular spot in anterior region of flank. Grey fins, without spots ( Graça, Pavanelli, 2007).

Maximum standard length. 52.0 mm ( Graça, Pavanelli, 2007).

Distribution. Drainages from Colombia to the río de la Plata basin.

Figures

Fig. 19. a. Callichthys callichthys, MZUSP 60261, 120.0 mm SL, córrego da Onça, afluente do rio Pardo, Barra do Turvo, State of São Paulo. b. Corydoras aeneus, NUP 17578, 43.1 mm SL, córrego Guaçu, tributary of the rio Abambai, Itaquirai, State of Mato Grosso do Sul. c. Corydoras sp., NUP 16185, 33.4 mm SL, córrego Santa Maria, tributary of the rio Iguatemi, Mundo Novo, State of Mato Grosso do Sul. d. Hoplosternum littorale, NUP 161, 133.4 mm SL, lagoa Mutum, Porto Rico, State of Paraná. e. Lepthoplosternum pectorale, 100.0 mm SL, uncat. f. Cetopsis gobioides, 102.4 mm SL, uncat. g. Clarias gariepinus, NUP 11900, 329.0 mm SL, rio Lopei (Pesque-Pague Big Peixes), tributary of the rio Toledo, Cascavel, State of Paraná.