Areas around the Amazon River.
Characteristics:
Flat and long body, small tail, big head, when it is young, the bottom color of dosal fin is bluish pink, body is shiny like silver, with a little pink colour. After growing, the big scales are like shells in semi-circle, the side line has 31 to 35 scales, its body is silver in colour with a little blue and light pink and is sparkling and shining.
It has a pair of barbels, lower lip longer than the upper one, ven fin has around 50 to 55 hard fin rays, hard fin ray of dosal fin around 42 to 46 and pelvic fin can extend to 4 to 6cm long.
