The Red-Bellied Piranha
Red-Bellied Piranhas are small but mighty fish that are famous for their ferocious bite! Known for their distinct shiny red bellies and razor-sharp teeth, these little critters, which can grow up to a foot long, are more than just a scary face. They live in South America's Amazon River and they communicate with funky sound signals! Big fans of teamwork, they hunt in groups, eager to show that there's definitely power in numbers.

Red-Bellied Piranha | |
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Size | Up to 30 centimeters (11.8 inches) |
Weight | Up to 3.5 pounds (1.6 kilograms) |
Speed | Speed: 10 mph (16.09 km/hr) |
Key Strength | Sharp teeth for biting |
Biggest Weakness | Vulnerable to attacks from larger predators |
Scientific Name | Pygocentrus nattereri |
Family | Characidae |
Habitat | Freshwater |
Geography | South America |
Diet | Other fish and small animals |
Lifespan | 10 years - 15 years |

The Red-Bellied Piranha
Red-Bellied Piranhas are small but mighty fish that are famous for their ferocious bite! Known for their distinct shiny red bellies and razor-sharp teeth, these little critters, which can grow up to a foot long, are more than just a scary face. They live in South America's Amazon River and they communicate with funky sound signals! Big fans of teamwork, they hunt in groups, eager to show that there's definitely power in numbers.
Fun Fact: Despite their fearsome reputation, Red-Bellied Piranhas are actually quite chatty, making a wide variety of sounds to communicate with each other!
Red-Bellied Piranha | |
---|---|
Size | Up to 30 centimeters (11.8 inches) |
Weight | Up to 3.5 pounds (1.6 kilograms) |
Speed | Speed: 10 mph (16.09 km/hr) |
Key Strength | Sharp teeth for biting |
Biggest Weakness | Vulnerable to attacks from larger predators |
Scientific Name | Pygocentrus nattereri |
Family | Characidae |
Habitat | Freshwater |
Geography | South America |
Diet | Other fish and small animals |
Lifespan | 10 years - 15 years |
Red-Bellied Piranha Matchups
We use AI to simulate matchups between the Red-Bellied Piranha and other animals. Our simulation considers size, strength, and natural predatory behaviors to determine the most likely outcome.
Fun Fact: Though many fear them as bloodthirsty beasts, Red-Bellied Piranhas actually have a mostly vegetarian diet, munching on seeds, fruit, and aquatic plants!
Fun Fact: Did you know Red-Bellied Piranhas have a lifespan of 10 years, which shows that even the toothiest of fish can have a good run in life!