Piranha:

Piranha, or piraña, is the common name for various South American, freshwater, tropical fish of the order Charciformes known for their pointed, razor-sharp teeth in a pronounced underbite and an aggressive appetite for meat and flesh. Traditionally, piranhas have been classified together with the pacus and silver dollars (Metynnis sp.) in the Serrasalminae subfamily of the characin family (Characidae) (Nelson 1994). However, some recent taxonomies place these three groups in their own ... Learn about the different species, diets and vocalizations of piranha fish, a toothy South American freshwater fish that has been the subject of Hollywood horror movies. Find out why piranhas are not as ferocious as their reputation and how they interact with other animals in the Amazon. In movies such as Piranha (1978), the piranha has been depicted as a ravenous indiscriminate killer. Most species, however, are scavengers or feed on plant material. A piranha or piraa is a freshwater fish that lives in South American rivers, floodplains, lakes, and reservoirs. It is a member of the family Serrasalmidae, or the subfamily Serrasalminae of the tetra family, Characidae in the order Characiformes. Although they are frequently regarded as extremely predatory and mostly eat fish, their dietary habits vary greatly, and they will also eat plant material, earning them the title of an omnivore. The indigenous Tupi people and their Tupi language ...