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Red bellied piranha - Pygocentrus nattereri

Red bellied piranha - Pygocentrus nattereri

Scientific name: Pygocentrus nattereri

Common name: Red bellied piranha

Family: Serrasalmidae

Usual size in fish tanks: 20 - 30 cm (7.87 - 11.81 inch)


Recommended pH range for the species: 6 - 7.5

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 24 - 29 °C (75.2 - 84.2°F)

The way how these fish reproduce: Spawning

Where the species comes from: South America

Temperament to its own species: aggressive/territorial

Temperament toward other fish species: aggressive/territorial

Usual place in the tank: Middle levels


The Red Bellied Piranha is a carnivorous fish. It will prey on insects, worms and other fish. At times these fish will even eat large animals.


There are no obvious differences to distinguish between the males and the females.


The female will lay her eggs in a pit dug out by the male. He will then proceed to fertilize the eggs. The female will lay between 4000 and 6000 eggs. Both of the parents are responsible for guarding the eggs.


This species of Piranha comes from the Amazon River in South American countries such as Brazil, Ecuador, Peru, and Venezuela among others.


The Red Bellied Piranha is one of the most aggressive freshwater fish in the world. A school of Piranhas will work together to take down a larger unsuspecting animal as their meal.


Special thanks to Richard Smith for pictures! Another ones were bought from

Piranha Piranha, 1 Piranha, 2 Piranha, 3 Piranha, 4 Piranha, 5 Piranha, 6 Piranha, 7 Piranha, 8 Piranha, 9 Piranha, 10 Piranha, 11 Piranha, 12 Piranha, 13 Piranha, 14 Piranha, 15 Piranha, 16 Piranha, 17

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