Arapaima gigas
E250697
Arapaima gigas is one of the world’s largest freshwater fish, a South American river giant known for its bony tongue, air-breathing ability, and importance in Amazonian ecosystems and fisheries.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Arapaima gigas canonical | 5 |
| Arapaima | 1 |
| Arapaima agassizii | 1 |
| Arapaima leptosoma | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2267299 — 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: Arapaima gigas Context triple: [Osteoglossiformes, notableSpecies, Arapaima gigas]
-
A.
Tayassu
Tayassu is a genus of New World peccaries, medium-sized pig-like mammals native to Central and South American forests and scrublands.
-
B.
Sus ahoenobarbus
Sus ahoenobarbus is a wild pig species endemic to the Philippines, known for its distinctive facial markings and limited island distribution.
-
C.
Mermerus
Mermerus is a figure in Greek mythology known as one of the sons of the hero Jason, often associated with the tragic story of Medea.
-
D.
Misgurnus anguillicaudatus
Misgurnus anguillicaudatus, commonly known as the oriental weather loach, is a small, eel-like freshwater fish native to East Asia and popular in aquaculture and the aquarium trade.
-
E.
Alligator
Alligator is a critically acclaimed 2005 indie rock album by The National that helped establish the band’s distinctive dark, introspective sound.
- 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: Arapaima gigas Target entity description: Arapaima gigas is one of the world’s largest freshwater fish, a South American river giant known for its bony tongue, air-breathing ability, and importance in Amazonian ecosystems and fisheries.
-
A.
Tayassu
Tayassu is a genus of New World peccaries, medium-sized pig-like mammals native to Central and South American forests and scrublands.
-
B.
Sus ahoenobarbus
Sus ahoenobarbus is a wild pig species endemic to the Philippines, known for its distinctive facial markings and limited island distribution.
-
C.
Mermerus
Mermerus is a figure in Greek mythology known as one of the sons of the hero Jason, often associated with the tragic story of Medea.
-
D.
Misgurnus anguillicaudatus
Misgurnus anguillicaudatus, commonly known as the oriental weather loach, is a small, eel-like freshwater fish native to East Asia and popular in aquaculture and the aquarium trade.
-
E.
Alligator
Alligator is a critically acclaimed 2005 indie rock album by The National that helped establish the band’s distinctive dark, introspective sound.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
fish species
ⓘ
freshwater fish ⓘ ray-finned fish ⓘ |
| adaptation | air breathing allows survival in hypoxic waters ⓘ |
| binomialName | Arapaima gigas ⓘ |
| bodyColor |
lighter ventrally
ⓘ
olive to brown dorsally ⓘ reddish markings on tail region ⓘ |
| bodyShape | elongated ⓘ |
| breathingMode | obligate air-breather ⓘ |
| class | Actinopterygii ⓘ |
| commonName |
arapaima
ⓘ
paiche ⓘ pirarucu ⓘ |
| culturalSignificance | important to Amazonian riverine communities ⓘ |
| describedBy | Johann Baptist von Spix ⓘ |
| describedInYear | 1829 ⓘ |
| diet |
crustaceans
ⓘ
fish ⓘ insects ⓘ small vertebrates ⓘ |
| ecologicalRole | top predator in Amazonian floodplain ecosystems ⓘ |
| economicImportance | high value in Amazonian fisheries ⓘ |
| family | Arapaimidae ⓘ |
| genus |
Arapaima
ⓘ
linked to:
Arapaimidae
|
| growthRate | rapid growth under favorable conditions ⓘ |
| habitat |
floodplain lakes
ⓘ
freshwater rivers ⓘ seasonally flooded forests ⓘ |
| hasAnatomicalFeature |
bony tongue
ⓘ
large cycloid scales ⓘ modified swim bladder for air breathing ⓘ upturned mouth ⓘ |
| IUCNStatus | Data Deficient ⓘ |
| kingdom | Animalia ⓘ |
| management | subject to fishing regulations in parts of its range ⓘ |
| maximumLength | 300 cm ⓘ |
| maximumReportedLength | over 300 cm ⓘ |
| maximumWeight | 200 kg ⓘ |
| nativeContinent | South America ⓘ |
| nativeTo |
Amazon River basin
ⓘ
linked to:
Amazon Basin
Essequibo River basin ⓘ
linked to:
Essequibo
|
| order | Osteoglossiformes ⓘ |
| parentalCare | male guards nest and fry ⓘ |
| phylum | Chordata ⓘ |
| reproduction | egg-laying ⓘ |
| scaleProperty | scales are tough and armor-like ⓘ |
| scientificName | Arapaima gigas ⓘ |
| spawningSeason | low-water season ⓘ |
| surfaceBreathingFrequency | approximately every 10 to 20 minutes ⓘ |
| taxonRank | species ⓘ |
| threat |
habitat degradation
ⓘ
overfishing ⓘ |
| trophicLevel | apex predator ⓘ |
| uses |
aquaculture
ⓘ
commercial fisheries ⓘ food fish ⓘ ornamental fish trade ⓘ subsistence 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: Arapaima gigas Description of subject: Arapaima gigas is one of the world’s largest freshwater fish, a South American river giant known for its bony tongue, air-breathing ability, and importance in Amazonian ecosystems and fisheries.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Arapaima gigas
linked to: Arapaima gigas
linked to: Arapaima gigas