Pygocentrus nattereri
Physical features: Rounded body with silver gray scales and a red underbelly. Known for their rows of small sharp teeth.
Habitat: Amazon River Basin. Found in the river proper and in flooded forest environment. Prefers vegetation.
Diet: Fish and aquatic invertebrates.
Fun facts: Piranha have earned a reputation as a ferocious fish. This stems from reports of Piranha hunting larger prey if trapped in the receded waters of the Amazon River and starving. This behavior is not typical.