🐟Red-bellied piranha
The red-bellied piranha, also known as the red piranha, is a species of freshwater ray-finned fish belonging to the family Serrasalmidae, which includes the pacus, piranhas and related fishes. The red-bellied piranha occurs in South America, found in the Amazon, Paraguay, Paraná and Essequibo basins, as well as coastal rivers of northeastern Brazil. This fish is locally abundant in its freshwater habitat.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2024.
- Body mass
- 3.85 kg
- Body length
- 0.5 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- not recorded
Everything we know about the Red-bellied piranha
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass3.85 kgmaximum recordedFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Body length0.5 mmaximum recordedFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Trophic level3.72FishBaseDetails ↓Hide ↑
Source: FishBase · v25.04, estimate table · CC BY-NC 4.0
DietcarnivoreaverageDetails ↓Hide ↑
From trophic level 3.72 (FishBase): <2.2 herbivore, 2.2–2.8 omnivore, >2.8 carnivore.
Danger to humanstraumatogenicFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Volume l3.9 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Red-bellied piranha yet: shoulder height, top speed, bite force, maximum lifespan.
Family tree
- kingdomAnimalia
- ›phylumChordata
- ›orderCharaciformes
- ›familySerrasalmidae
- ›genusPygocentrus
- ›speciesPygocentrus nattereri
- superclassRay-finned fish · Actinopterygii
- superorderCharaciphysae
- orderCharaciformes
- familySerrasalmidae
All 11 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassRay-finned fish · Actinopterygii
- classActinopteri
- subclassNeopterygii
- superorderCharaciphysae
- orderCharaciformes
- familySerrasalmidae
More about the Red-bellied piranha
No videos of the Red-bellied piranha yet.
We have 44,653 videos so far, and none of them features this animal yet.
All videos →Compare the Red-bellied piranha
Pick a tool — the Red-bellied piranha is already selected.
Compare every stat with any other animal.
Stand them on the same floor and see who's bigger.
Does it punch above its weight? Its stats against what body size predicts.
See where it sits in the tree of life.

