Redbelly Piranha
Pygocentrus nattereri
Redbelly piranha (Pygocentrus nattereri) is a South American freshwater characiform known for its deep body, red belly, and powerful jaws. It schools in warm rivers, floodplains, and lakes, feeding opportunistically on fish, insects, crustaceans, and carrion.
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Identification points
- Deep, laterally compressed silver body with a distinctly red or orange belly in adults
- Silvery flank marked by black speckles and a darker shoulder area
- Powerful jaw with visible triangular, interlocking teeth and a blunt snout
Habitat
Warm, slow to moderate freshwater systems across the Amazon, Orinoco, Paraguay-Paraná and adjacent floodplains; common in backwaters, oxbow lakes, flooded forest edges, and vegetated margins.
Bait notes
Small strips of fish flesh, whole minnows, worms, shrimp, and chunks of oily baitfish can work well. Small spoons, flashy jigs, and bite-sized soft plastics also trigger strikes.
Behavior
Highly opportunistic and often schooling, especially juveniles; feeds on fish, fins, insects, crustaceans, seeds, and carrion, with activity often rising in low-light periods and during floods.
Caution
Sharp teeth can cut fingers and light leaders; handle with forceps or gloves. Keep fingers away from the mouth and gill area. Regulations vary widely because it is an aquarium and invasive-species concern outside its native range.
Fishing notes
Use stout light-tackle gear, wire or heavy fluorocarbon leaders, and keep lures or baits small. Fish near structure, cover, and schooling activity; chumming with fish scraps is used locally where legal.