Serrasalmus irritans and Serrasalmus elongatus are commolny called the Pinche piranha by the locals inhabitants of the venezuelan llanos who eat them freaquently (usually fried).

BELOW: Video of a red finned Serrasalmus irritans in an aqurium.

BELOW: Video of a yellow finned Serrasalmus irritans in an aqurium. The difference in fin coloration could be due to the gender (female or male), the water parameters of different rivers or a breeding color pattern.

BELOW: A underwater picture of a juvenile Serrasalmus irritans in its natural Flooded Area habitat.

BELOW: Image of a Serrasalmus irritans that has been through the process of diaphanisation (clearing and staining).