Hypophthalmus
E805709
Hypophthalmus is a genus of South American freshwater catfish known for their elongated bodies and schooling, planktivorous behavior in large river systems.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Hypophthalmus canonical | 1 |
| Hypophthalmus edentatus | 1 |
| Hypophthalmus fimbriatus | 1 |
| Hypophthalmus marginatus | 1 |
| Hypophthalmus oremaculatus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9541539 — 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: Hypophthalmus Context triple: [Pimelodidae, includes, Hypophthalmus]
-
A.
Balistoides
Balistoides is a genus of triggerfishes known for their robust, laterally compressed bodies and often striking coloration, found in tropical and subtropical marine waters.
-
B.
Melichthys
Melichthys is a genus of triggerfishes known for their laterally compressed bodies and vibrant coloration, found in tropical and subtropical ocean waters.
-
C.
Pseudobalistes
Pseudobalistes is a genus of large, robust triggerfishes found in tropical and subtropical marine waters, known for their strong jaws and often striking coloration.
-
D.
The Fish (Schindleria Praematurus)
The Fish (Schindleria praematurus) is an extremely small, transparent marine fish species known for its larval-like adult form and status as one of the world’s tiniest vertebrates.
-
E.
Cyprinodon
Cyprinodon is a genus of small, hardy pupfishes known for inhabiting extreme and isolated aquatic environments, often used as models in studies of rapid evolution and adaptation.
- 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: Hypophthalmus Target entity description: Hypophthalmus is a genus of South American freshwater catfish known for their elongated bodies and schooling, planktivorous behavior in large river systems.
-
A.
Balistoides
Balistoides is a genus of triggerfishes known for their robust, laterally compressed bodies and often striking coloration, found in tropical and subtropical marine waters.
-
B.
Melichthys
Melichthys is a genus of triggerfishes known for their laterally compressed bodies and vibrant coloration, found in tropical and subtropical ocean waters.
-
C.
Pseudobalistes
Pseudobalistes is a genus of large, robust triggerfishes found in tropical and subtropical marine waters, known for their strong jaws and often striking coloration.
-
D.
The Fish (Schindleria Praematurus)
The Fish (Schindleria praematurus) is an extremely small, transparent marine fish species known for its larval-like adult form and status as one of the world’s tiniest vertebrates.
-
E.
Cyprinodon
Cyprinodon is a genus of small, hardy pupfishes known for inhabiting extreme and isolated aquatic environments, often used as models in studies of rapid evolution and adaptation.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
taxon ⓘ |
| belongsTo | Neotropical ichthyofauna ⓘ |
| bodyShape | elongated body ⓘ |
| class | Actinopterygii ⓘ |
| commonName | South American freshwater catfish ⓘ |
| conservationRelevance | important component of riverine fish communities ⓘ |
| describedAs | South American river catfish genus ⓘ |
| diet |
phytoplankton
ⓘ
zooplankton ⓘ |
| distribution |
Amazon River basin
ⓘ
linked to:
Amazon Basin
Orinoco River basin ⓘ
linked to:
Orinoco Basin
other large South American river systems ⓘ |
| ecologicalRole | pelagic planktivore ⓘ |
| economicUse |
fisheries resource
ⓘ
food fish ⓘ |
| environment | lotic systems ⓘ |
| family | Pimelodidae ⓘ |
| feedingBehavior | planktivorous ⓘ |
| foundIn |
floodplain lakes
ⓘ
main river channels ⓘ |
| habitat |
freshwater
ⓘ
large river systems ⓘ |
| hasSpecies |
Hypophthalmus edentatus
ⓘ
linked to:
Hypophthalmus
Hypophthalmus fimbriatus ⓘ
linked to:
Hypophthalmus
Hypophthalmus marginatus ⓘ
linked to:
Hypophthalmus
Hypophthalmus oremaculatus ⓘ
linked to:
Hypophthalmus
|
| kingdom | Animalia ⓘ |
| lifestyle | pelagic ⓘ |
| locomotion | swimming ⓘ |
| nativeTo | South America ⓘ |
| notableTrait |
forms large schools in open water
ⓘ
specialized for filter-feeding on plankton ⓘ |
| order | Siluriformes ⓘ |
| parentTaxon | Pimelodidae ⓘ |
| phylum | Chordata ⓘ |
| region | tropical South America ⓘ |
| reproduction | oviparous ⓘ |
| respiration | gills ⓘ |
| skeletonType | bony fish ⓘ |
| socialBehavior | schooling ⓘ |
| taxonRank | genus ⓘ |
| trophicLevel | secondary consumer ⓘ |
| waterType | tropical freshwater ⓘ |
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: Hypophthalmus Description of subject: Hypophthalmus is a genus of South American freshwater catfish known for their elongated bodies and schooling, planktivorous behavior in large river systems.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hypophthalmus
linked to: Hypophthalmus
linked to: Hypophthalmus
linked to: Hypophthalmus