Piranha (Pygocentrus and Serrasalmus)
E858413
Piranhas (genera Pygocentrus and Serrasalmus) are South American freshwater fish known for their sharp teeth, powerful jaws, and reputation for aggressive, carnivorous feeding behavior.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piranha (Pygocentrus and Serrasalmus) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10344189 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piranha (Pygocentrus and Serrasalmus) Context triple: [Ostariophysi, notableGenus, Piranha (Pygocentrus and Serrasalmus)]
-
A.
Pimelodus
Pimelodus is a genus of freshwater catfish native mainly to South American river systems, known for their elongated bodies and prominent barbels.
-
B.
Clinostomus
Clinostomus is a small genus of North American freshwater minnows known for their streamlined bodies and preference for cool, clear streams.
-
C.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
-
D.
Rhamdia
Rhamdia is a genus of freshwater catfishes native mainly to Central and South America, commonly found in rivers, streams, and caves.
-
E.
Acanthodoras
Acanthodoras is a genus of small, armored freshwater catfish native to South America, known for their bony plates and nocturnal, bottom-dwelling habits.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Piranha (Pygocentrus and Serrasalmus) Target entity description: Piranhas (genera Pygocentrus and Serrasalmus) are South American freshwater fish known for their sharp teeth, powerful jaws, and reputation for aggressive, carnivorous feeding behavior.
-
A.
Pimelodus
Pimelodus is a genus of freshwater catfish native mainly to South American river systems, known for their elongated bodies and prominent barbels.
-
B.
Clinostomus
Clinostomus is a small genus of North American freshwater minnows known for their streamlined bodies and preference for cool, clear streams.
-
C.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
-
D.
Rhamdia
Rhamdia is a genus of freshwater catfishes native mainly to Central and South America, commonly found in rivers, streams, and caves.
-
E.
Acanthodoras
Acanthodoras is a genus of small, armored freshwater catfish native to South America, known for their bony plates and nocturnal, bottom-dwelling habits.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
common name
ⓘ
fish genus ⓘ |
| behavior |
opportunistic feeding
ⓘ
scavenging ⓘ schooling ⓘ |
| class | Actinopterygii ⓘ |
| culturalImage | symbol of ferocity ⓘ |
| diet |
carnivorous
ⓘ
omnivorous ⓘ |
| dietIncludes |
fish
ⓘ
invertebrates ⓘ plant material ⓘ seeds ⓘ |
| distribution |
Amazon Basin
NERFINISHED
ⓘ
Orinoco Basin NERFINISHED ⓘ Paraguay–Paraná Basin NERFINISHED ⓘ São Francisco River Basin NERFINISHED ⓘ |
| ecologicalRole |
predator
ⓘ
prey for larger animals ⓘ scavenger ⓘ |
| family |
Serrasalmidae
NERFINISHED
ⓘ
Serrasalmidae NERFINISHED ⓘ Serrasalmidae NERFINISHED ⓘ |
| habitat |
flooded forests
ⓘ
freshwater ⓘ lakes ⓘ reservoirs ⓘ rivers ⓘ |
| hasAnatomicalFeature |
deep body shape
ⓘ
laterally compressed body ⓘ single row of sharp triangular teeth in each jaw ⓘ strong jaw muscles ⓘ |
| includesCommonName |
piranha
ⓘ
piranha ⓘ |
| kingdom | Animalia ⓘ |
| maximumLength | about 50 cm ⓘ |
| nativeTo | South America ⓘ |
| notableFor |
aggressive feeding behavior
ⓘ
powerful jaws ⓘ sharp teeth ⓘ |
| order |
Characiformes
NERFINISHED
ⓘ
Characiformes NERFINISHED ⓘ Characiformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| popularMediaPortrayal | man-eating fish ⓘ |
| refersTo |
Pygocentrus
NERFINISHED
ⓘ
Serrasalmus NERFINISHED ⓘ |
| reputation |
dangerous to humans
ⓘ
flesh-eating fish ⓘ |
| taxonRank | common name for multiple genera ⓘ |
| typicalLength | 15 to 25 cm ⓘ |
| usedAs |
aquarium fish
ⓘ
food fish ⓘ |
| usedIn | local fisheries ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Piranha (Pygocentrus and Serrasalmus) Description of subject: Piranhas (genera Pygocentrus and Serrasalmus) are South American freshwater fish known for their sharp teeth, powerful jaws, and reputation for aggressive, carnivorous feeding behavior.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.