Vandellia
E805755
Vandellia is a small, parasitic catfish genus from the Amazon basin, infamous for its blood-feeding habits and reports of entering the orifices of larger animals, including humans.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Vandellia cirrhosa | 3 |
| Vandellia canonical | 1 |
| Vandellia beccarii | 1 |
| Vandellia eigenmanni | 1 |
| Vandellia plazai | 1 |
| Vandellia sanguinea | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9542031 — 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: Vandellia Context triple: [Trichomycteridae, notableGenus, Vandellia]
-
A.
Marrella
Marrella is an extinct, small, soft-bodied arthropod known from the Burgess Shale, notable for its distinctive spined head shield and importance in understanding early Cambrian marine ecosystems.
-
B.
Anesidora
Anesidora is an epithet of the Greek goddess Demeter that emphasizes her role as the giver of gifts, especially the bounty of the earth.
-
C.
Capnoides
Capnoides is a small genus of flowering plants in the poppy order Papaverales, known for delicate, often tubular flowers and typically found in temperate regions.
-
D.
Neopilina
Neopilina is a genus of deep-sea mollusks considered living fossils, providing key insights into the evolution and ancestral features of molluscan groups.
-
E.
Metischnogaster
Metischnogaster is a genus of small, primitively eusocial hover wasps within the subfamily Stenogastrinae, known for their distinctive nesting behavior in tropical Asia.
- 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: Vandellia Target entity description: Vandellia is a small, parasitic catfish genus from the Amazon basin, infamous for its blood-feeding habits and reports of entering the orifices of larger animals, including humans.
-
A.
Marrella
Marrella is an extinct, small, soft-bodied arthropod known from the Burgess Shale, notable for its distinctive spined head shield and importance in understanding early Cambrian marine ecosystems.
-
B.
Anesidora
Anesidora is an epithet of the Greek goddess Demeter that emphasizes her role as the giver of gifts, especially the bounty of the earth.
-
C.
Capnoides
Capnoides is a small genus of flowering plants in the poppy order Papaverales, known for delicate, often tubular flowers and typically found in temperate regions.
-
D.
Neopilina
Neopilina is a genus of deep-sea mollusks considered living fossils, providing key insights into the evolution and ancestral features of molluscan groups.
-
E.
Metischnogaster
Metischnogaster is a genus of small, primitively eusocial hover wasps within the subfamily Stenogastrinae, known for their distinctive nesting behavior in tropical Asia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
catfish genus
ⓘ
fish genus ⓘ genus ⓘ |
| behavior | locates hosts by following water currents from gill ventilation ⓘ |
| belongsToSubfamily | Vandelliinae ⓘ |
| bloodFeedingMechanism | attaches to gill filaments and feeds on blood ⓘ |
| bodyShape |
eel-like
ⓘ
elongate ⓘ |
| class | Actinopterygii ⓘ |
| commonName | candiru ⓘ |
| describedAs | slender ⓘ |
| diet | blood ⓘ |
| distribution | South America ⓘ |
| ecologicalRole | fish ectoparasite ⓘ |
| family | Trichomycteridae ⓘ |
| feedingBehavior | parasitic ⓘ |
| feedingSite | gill arteries of host fish ⓘ |
| habitat |
Amazon basin
ⓘ
linked to:
Amazon Basin
freshwater ⓘ |
| hasSpecies |
Vandellia beccarii
ⓘ
linked to:
Vandellia
Vandellia cirrhosa ⓘ
linked to:
Vandellia
Vandellia eigenmanni ⓘ
linked to:
Vandellia
Vandellia plazai ⓘ
linked to:
Vandellia
Vandellia sanguinea ⓘ
linked to:
Vandellia
|
| isA | parasitic catfish ⓘ |
| kingdom | Animalia ⓘ |
| locomotion | swimming ⓘ |
| maximumLength | a few centimeters ⓘ |
| mythology | alleged attacks on humans ⓘ |
| notableFor |
entering gill chambers of larger fish
ⓘ
hematophagy ⓘ |
| order | Siluriformes ⓘ |
| parasitizes |
gill tissues of host fish
ⓘ
larger fish ⓘ |
| phylum | Chordata ⓘ |
| region |
Amazon River
ⓘ
Orinoco basin ⓘ
linked to:
Orinoco Basin
|
| reproduction | oviparous ⓘ |
| respiration | gills ⓘ |
| riskToHumans | low ⓘ |
| scientificConsensus | human infestations extremely rare or unverified ⓘ |
| scientificInterest | parasitic adaptations in catfishes ⓘ |
| size | small ⓘ |
| skeletonType | bony ⓘ |
| skepticismAbout | reports of entering human urethra ⓘ |
| taxonRank | genus ⓘ |
| typeSpecies |
Vandellia cirrhosa
ⓘ
linked to:
Vandellia
|
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: Vandellia Description of subject: Vandellia is a small, parasitic catfish genus from the Amazon basin, infamous for its blood-feeding habits and reports of entering the orifices of larger animals, including humans.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Vandellia
linked to: Vandellia
linked to: Vandellia
linked to: Vandellia
linked to: Vandellia
linked to: Vandellia
linked to: Vandellia