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Animal World
Red-Bellied Piranha — photograph 1
📷 Nevit Dilmen · CC BY-SA 3.0
IUCN: Least Concern

Red-Bellied Piranha

Pygocentrus nattereri

KingdomAnimalia›PhylumChordata›ClassActinopterygii›OrderCharaciformes›FamilySerrasalmidae›GenusPygocentrus
About

Red-bellied piranhas are schooling fish of South American rivers, famous for their sharp teeth and feeding frenzies — myths that exaggerate their danger to people. They actually scavenge and hunt mostly small fish, and schools provide defence against predators such as caimans, river dolphins, and cormorants. During the flooded season they spawn among vegetation, and their jaws deliver a bite with considerable force for their size.

Key Facts
⛰
Habitat
Rivers, floodplain lakes, and streams of the Amazon and Paraná basins
🍃
Diet
Carnivore and scavenger — fish, insects, crustaceans, seeds, and carrion
📏
Size & Weight
Body 30–35 cm
•
weight
Up to 3 kg
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Lifespan
Up to 10 years
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Range
Amazon, Orinoco, and Paraná river basins; introduced elsewhere in South America and beyond
FishPiranha
Photo Credits
#1Nevit Dilmen · CC BY-SA 3.0
#2Nevit Dilmen · CC BY-SA 3.0
#3User:Sarefo · CC BY-SA 3.0
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