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Black spot piranha — left-facing natural adult, AI-generated illustration

Black spot piranha

Pygocentrus cariba

A prominent shoulder spot distinguishes the visible adult form

The spot is clearest in adolescents and young adults; tiny juveniles and dark old fish are harder to identify by colour.

Adult length
Up to 27.9 cm
Water temperature
20–28 °C
pH
4–7
Hardness
1–10 dGH
Natural habitat
Widespread in lowland waters and tributaries of the Orinoco basin.

Sharp jaws and adult size require a dedicated maintenance plan.

View comparison →

Appearance and identification

P. notatus is an older name, not another species. Compare age and provenance alongside P. nattereri.

Same-species behaviour

Lives in groups.

Space requirements

Needs an exceptionally large installation with filtration, protected equipment and retreat space.

Diet and feeding

An opportunistic feeder taking animal foods and some plant material.

Compatibility limits

Fin-biting risk; keep in a dedicated setup.

Aquarium environment

Plants may be damaged.

Sources

www.fishbase.se ↗ 2026-10-25

www.seriouslyfish.com ↗ 2026-10-22

www.aquariumglaser.de ↗ 2026-10-22

api.gbif.org ↗ 2026-10-22

PeekFish · Ornamental fish

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