Characidium fasciatum Reinhardt, 1867

Fig. 3B

Distribution.

Rio São Francisco basin.

Diagnosis.

Characidium fasciatum differs from Characidium sp. A by the high or little tapered snout; adult specimens with vertical bars without defined shape or almost missing in the lateral of the body; narrow longitudinal dark band occupying less than one scale; pigmentation on caudal fin rays not forming conspicuous bands or just forming narrow bands. Distinguished from Characidium sp. B by having 36 or 37 perforated scales in the lateral line; four series of scales below lateral line.