Osteoglossum
E876514
Osteoglossum is a genus of large freshwater fish known as arowanas, native to South America and prized in aquariums for their elongated bodies and surface-feeding behavior.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Osteoglossum canonical | 2 |
| Osteoglossum ferreirai | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10639758 — 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: Osteoglossum Context triple: [Osteoglossidae, includes, Osteoglossum]
-
A.
Osteoglossum bicirrhosum
Osteoglossum bicirrhosum, commonly known as the silver arowana, is a large South American freshwater fish prized in aquariums for its metallic sheen, elongated body, and surface-feeding, jumping behavior.
-
B.
Osteoglossidae
Osteoglossidae is a family of primitive freshwater bony fishes, including arowanas and their relatives, known for their ancient lineage and distinctive jaw and tongue structures.
-
C.
Osteoglossiformes
Osteoglossiformes is an order of primitive freshwater bony fishes that includes species like arowanas and elephantfishes, known for features such as toothed tongues and specialized sensory systems.
-
D.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
-
E.
Rhamdia
Rhamdia is a genus of freshwater catfishes native mainly to Central and South America, commonly found in rivers, streams, and caves.
- 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: Osteoglossum Target entity description: Osteoglossum is a genus of large freshwater fish known as arowanas, native to South America and prized in aquariums for their elongated bodies and surface-feeding behavior.
-
A.
Osteoglossum bicirrhosum
Osteoglossum bicirrhosum, commonly known as the silver arowana, is a large South American freshwater fish prized in aquariums for its metallic sheen, elongated body, and surface-feeding, jumping behavior.
-
B.
Osteoglossidae
Osteoglossidae is a family of primitive freshwater bony fishes, including arowanas and their relatives, known for their ancient lineage and distinctive jaw and tongue structures.
-
C.
Osteoglossiformes
Osteoglossiformes is an order of primitive freshwater bony fishes that includes species like arowanas and elephantfishes, known for features such as toothed tongues and specialized sensory systems.
-
D.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
-
E.
Rhamdia
Rhamdia is a genus of freshwater catfishes native mainly to Central and South America, commonly found in rivers, streams, and caves.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
fish genus
ⓘ
fish species ⓘ taxon ⓘ |
| aquariumRequirement |
tight-fitting lid
ⓘ
very large tank ⓘ |
| aquariumUse | popular large aquarium fish ⓘ |
| behavior | jumping ability ⓘ |
| bodyShape | elongated body ⓘ |
| class | Actinopterygii ⓘ |
| commonName |
arowanas
ⓘ
black arowana ⓘ silver arowana NERFINISHED ⓘ |
| conservationConcern | overfishing for aquarium trade ⓘ |
| diet |
crustaceans
ⓘ
insects ⓘ small fish ⓘ |
| economicUse | aquarium fish ⓘ |
| family | Osteoglossidae NERFINISHED ⓘ |
| feedingBehavior | surface-feeding ⓘ |
| genus |
Osteoglossum
NERFINISHED
ⓘ
Osteoglossum NERFINISHED ⓘ |
| habitat |
flooded forests
ⓘ
freshwater ⓘ slow-moving rivers ⓘ |
| hasSpecies |
Osteoglossum bicirrhosum
NERFINISHED
ⓘ
Osteoglossum ferreirai NERFINISHED ⓘ |
| jawOrientation | superior mouth ⓘ |
| kingdom | Animalia ⓘ |
| locomotion | powerful, undulating swimming ⓘ |
| maximumLength |
about 90 cm
ⓘ
about 90 cm ⓘ |
| nativeTo |
Amazon Basin
NERFINISHED
ⓘ
Essequibo Basin NERFINISHED ⓘ Oyapock Basin NERFINISHED ⓘ Rio Negro Basin NERFINISHED ⓘ South America ⓘ upper Orinoco Basin NERFINISHED ⓘ |
| notableTrait |
bony tongue
ⓘ
dark juvenile coloration ⓘ large size ⓘ upturned mouth ⓘ |
| order | Osteoglossiformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| relatedTo | Scleropages NERFINISHED ⓘ |
| reproduction | mouthbrooding ⓘ |
| skeletonFeature | ossified tongue-bearing plate ⓘ |
| typeSpecies | Osteoglossum bicirrhosum NERFINISHED ⓘ |
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: Osteoglossum Description of subject: Osteoglossum is a genus of large freshwater fish known as arowanas, native to South America and prized in aquariums for their elongated bodies and surface-feeding behavior.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osteoglossum ferreirai