Rivulus
E906651
Rivulus is a genus of small, often brightly colored freshwater killifish commonly found in tropical and subtropical regions of the Americas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rivulus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11126551 — 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: Rivulus Context triple: [Rivulidae, notableGenus, Rivulus]
-
A.
Tinca
Tinca is a genus of freshwater fish in the carp family, best known for the tench commonly found in European and Asian lakes and rivers.
-
B.
Rhinichthys
Rhinichthys is a genus of small freshwater minnows native to North America, commonly found in cool, fast-flowing streams and rivers.
-
C.
Lampetra
Lampetra is a genus of jawless, eel-like lampreys found in freshwater and coastal marine environments of the Northern Hemisphere.
-
D.
Nemachilichthys
Nemachilichthys is a genus of small freshwater stone loaches native to South Asia, known for inhabiting fast-flowing streams and rivers.
-
E.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
- 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: Rivulus Target entity description: Rivulus is a genus of small, often brightly colored freshwater killifish commonly found in tropical and subtropical regions of the Americas.
-
A.
Tinca
Tinca is a genus of freshwater fish in the carp family, best known for the tench commonly found in European and Asian lakes and rivers.
-
B.
Rhinichthys
Rhinichthys is a genus of small freshwater minnows native to North America, commonly found in cool, fast-flowing streams and rivers.
-
C.
Lampetra
Lampetra is a genus of jawless, eel-like lampreys found in freshwater and coastal marine environments of the Northern Hemisphere.
-
D.
Nemachilichthys
Nemachilichthys is a genus of small freshwater stone loaches native to South Asia, known for inhabiting fast-flowing streams and rivers.
-
E.
Leptodoras
Leptodoras is a genus of thorny catfishes native to South American freshwater habitats, known for their bony plates and bottom-dwelling behavior.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
taxon ⓘ |
| aquariumTrade | kept by killifish hobbyists ⓘ |
| belongsTo | Neotropical ichthyofauna ⓘ |
| class | Actinopterygii ⓘ |
| climatePreference |
subtropical
ⓘ
tropical ⓘ |
| commonName |
freshwater killifish
ⓘ
rivulus killifish ⓘ |
| describedAs | genus of small freshwater fish ⓘ |
| diet |
crustaceans
ⓘ
insects ⓘ invertebrates ⓘ |
| domain |
Eukaryota
ⓘ
linked to:
Eukarya
|
| ecologicalNiche | small insectivorous fish ⓘ |
| family | Rivulidae ⓘ |
| habitat |
creeks
ⓘ
flooded forests ⓘ freshwater ⓘ marshes ⓘ streams ⓘ swamps ⓘ |
| hasVertebralColumn | true ⓘ |
| isKillifishGenus | true ⓘ |
| kingdom | Animalia ⓘ |
| locomotion | swimming ⓘ |
| nativeRange |
Caribbean region
ⓘ
linked to:
Caribbean
Central America ⓘ South America ⓘ subtropical Americas ⓘ tropical Americas ⓘ |
| notableTrait |
ability to live in small water bodies
ⓘ
often brightly colored males ⓘ |
| order | Cyprinodontiformes ⓘ |
| parentTaxon | Rivulidae ⓘ |
| phylum | Chordata ⓘ |
| reproduction |
egg-laying
ⓘ
oviparous ⓘ |
| respiration | gills ⓘ |
| skeletonType | bony fish ⓘ |
| taxonRank | genus ⓘ |
| typicalBodySize | small ⓘ |
| typicalColoration | brightly colored ⓘ |
| waterType | 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: Rivulus Description of subject: Rivulus is a genus of small, often brightly colored freshwater killifish commonly found in tropical and subtropical regions of the Americas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.