Person eager to eat, sweet, glutton, comelon, ravenous, greedy, that messing with the food they serve. It is a very voracious fish from the rivers of the Amazon basin, they are generally carnivorous and they have very sharp teeth. There are many species and several genres. In Colombia also say Caribbean, tambaqui, pacu, Grouper, morocote. The scientific name for the most common species in Colombia is Pygocentrus cariba (red-bellied Piranha) and belong to the subfamily of Serrasalmidae (family Characidae). It is a type of armed River boat that has the national army of Colombia. Type of missile MAA-1 developed by the armed forces of Brazil. The word comes from Guarani and Tupinambá words that mean fish with teeth, fish dentuda, aggressive fish. Grouper, Pacu, tambaqui. The species known as tambaqui, morocota, is also considered a Piranha, but it is larger and is from the same family.