Ichthyomyzon unicuspis
E712157
Ichthyomyzon unicuspis is a species of lamprey, a jawless, eel-like parasitic fish native to freshwater systems in North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ichthyomyzon unicuspis canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7971386 — 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: Ichthyomyzon unicuspis Context triple: [Petromyzontidae, notableSpecies, Ichthyomyzon unicuspis]
-
A.
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.
-
B.
Lampetra fluviatilis
Lampetra fluviatilis, commonly known as the European river lamprey, is a jawless, eel-like parasitic fish native to European rivers and coastal waters.
-
C.
Lampetra planeri
Lampetra planeri, commonly known as the European brook lamprey, is a small, jawless freshwater fish native to European streams and rivers, notable for its non-parasitic lifestyle and primitive eel-like appearance.
-
D.
Alewife
Alewife is a major subway station and transit hub in North Cambridge, Massachusetts, serving as the northern endpoint of Boston’s MBTA Red Line and a large park-and-ride facility.
-
E.
Epigonichthys
Epigonichthys is a genus of small, eel-like lancelets within the subphylum Cephalochordata, known for their simple, fish-like bodies that provide key insights into early chordate evolution.
- 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: Ichthyomyzon unicuspis Target entity description: Ichthyomyzon unicuspis is a species of lamprey, a jawless, eel-like parasitic fish native to freshwater systems in North America.
-
A.
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.
-
B.
Lampetra fluviatilis
Lampetra fluviatilis, commonly known as the European river lamprey, is a jawless, eel-like parasitic fish native to European rivers and coastal waters.
-
C.
Lampetra planeri
Lampetra planeri, commonly known as the European brook lamprey, is a small, jawless freshwater fish native to European streams and rivers, notable for its non-parasitic lifestyle and primitive eel-like appearance.
-
D.
Alewife
Alewife is a major subway station and transit hub in North Cambridge, Massachusetts, serving as the northern endpoint of Boston’s MBTA Red Line and a large park-and-ride facility.
-
E.
Epigonichthys
Epigonichthys is a genus of small, eel-like lancelets within the subphylum Cephalochordata, known for their simple, fish-like bodies that provide key insights into early chordate evolution.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
jawless fish
ⓘ
parasitic fish ⓘ species of lamprey ⓘ |
| bodyShape | eel-like ⓘ |
| class | Hyperoartia ⓘ |
| commonName | silver lamprey ⓘ |
| conservationStatus | not generally considered threatened across range ⓘ |
| diet |
blood of host fishes
ⓘ
body fluids of host fishes ⓘ |
| distributionRegion |
Great Lakes basin
ⓘ
linked to:
Great Lakes Basin
Mississippi River basin ⓘ St. Lawrence River drainage ⓘ |
| ecologicalRole | parasite of other fishes ⓘ |
| eggLaying | yes ⓘ |
| family | Petromyzontidae ⓘ |
| feedingType | parasitic ⓘ |
| foundInCountry |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| genus | Ichthyomyzon ⓘ |
| habitat |
freshwater
ⓘ
lakes ⓘ rivers ⓘ |
| hasBackbone | yes (as a vertebrate) ⓘ |
| hasJaw | no ⓘ |
| hasOralDisc | yes ⓘ |
| hasScales | no ⓘ |
| hasTeeth | keratinous teeth on oral disc ⓘ |
| kingdom | Animalia ⓘ |
| larvalFeedingType | filter-feeding ⓘ |
| larvalHabitat | soft sediment in streams ⓘ |
| lifeCycleStage |
ammocoete larva
ⓘ
parasitic adult ⓘ |
| nativeTo | North America ⓘ |
| order | Petromyzontiformes ⓘ |
| parentalCare | none after spawning ⓘ |
| phylum | Chordata ⓘ |
| reproductionType | anadromous or resident freshwater spawning ⓘ |
| respiration | gills ⓘ |
| skeletonType | cartilaginous ⓘ |
| spawningHabitat | gravel or sandy substrates in streams ⓘ |
| spawningSeason | spring ⓘ |
| symmetry | bilateral symmetry ⓘ |
| taxonRank | species ⓘ |
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: Ichthyomyzon unicuspis Description of subject: Ichthyomyzon unicuspis is a species of lamprey, a jawless, eel-like parasitic fish native to freshwater systems in North America.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.