Pacific lamprey
E35237
The Pacific lamprey is an ancient, eel-like jawless fish native to the Pacific coast of North America, where it plays a key ecological and cultural role, particularly for Indigenous communities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pacific lamprey canonical | 6 |
| three-toothed lamprey | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T274057 — 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: Pacific lamprey Context triple: [Klamath River estuary, isImportantFor, Pacific lamprey]
-
A.
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.
-
B.
Rana
Rana was the hereditary royal title borne by the ruling dynasty of the former princely state of Porbandar in western India.
-
C.
Beaver
Beaver was one of the British ships in Boston Harbor whose tea cargo was destroyed during the Boston Tea Party protest in 1773.
-
D.
Chersina
Chersina is a genus of tortoises in the family Testudinidae, best known for the South African species Chersina angulata, commonly called the angulate tortoise.
-
E.
Fidra
Fidra is a small uninhabited island off the coast of East Lothian, Scotland, known for its lighthouse, seabird colonies, and as an inspiration for Robert Louis Stevenson.
- 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: Pacific lamprey Target entity description: The Pacific lamprey is an ancient, eel-like jawless fish native to the Pacific coast of North America, where it plays a key ecological and cultural role, particularly for Indigenous communities.
-
A.
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.
-
B.
Rana
Rana was the hereditary royal title borne by the ruling dynasty of the former princely state of Porbandar in western India.
-
C.
Beaver
Beaver was one of the British ships in Boston Harbor whose tea cargo was destroyed during the Boston Tea Party protest in 1773.
-
D.
Chersina
Chersina is a genus of tortoises in the family Testudinidae, best known for the South African species Chersina angulata, commonly called the angulate tortoise.
-
E.
Fidra
Fidra is a small uninhabited island off the coast of East Lothian, Scotland, known for its lighthouse, seabird colonies, and as an inspiration for Robert Louis Stevenson.
- F. None of above. chosen
Statements (80)
| Predicate | Object |
|---|---|
| instanceOf |
anadromous fish
ⓘ
species of jawless fish ⓘ |
| adultDiet |
blood of marine fishes
ⓘ
body fluids of marine fishes ⓘ |
| adultFeedingType | parasitic ⓘ |
| averageLength | about 30 to 80 centimeters ⓘ |
| commonName | Pacific lamprey ⓘ |
| conservationStatus | declining in many river systems ⓘ |
| culturalSignificanceFor |
Pacific Northwest Coast Indigenous peoples
ⓘ
surface form:
Indigenous peoples of the Pacific Northwest
Native American tribes along the Columbia River ⓘ |
| describedAs | ancient eel-like jawless fish ⓘ |
| diesAfterSpawning | true ⓘ |
| ecologicalRole |
bioturbator of stream sediments
ⓘ
nutrient transporter between ocean and rivers ⓘ prey for birds ⓘ prey for larger fishes ⓘ prey for marine mammals ⓘ |
| evolutionaryLineage | agnathan vertebrate ⓘ |
| evolutionarySignificance | represents ancient vertebrate lineage ⓘ |
| family | Petromyzontidae ⓘ |
| foundIn |
Columbia River
ⓘ
surface form:
Columbia River Basin
Klamath River ⓘ Sacramento River and San Joaquin River ⓘ
surface form:
Sacramento–San Joaquin river system
|
| genus | Entosphenus ⓘ |
| harvestMethod | traditional weirs and dip nets ⓘ |
| hasColor |
dark bluish to brown dorsally
ⓘ
lighter ventrally ⓘ |
| hasCommonName |
Pacific lamprey
self-linksurface differs
ⓘ
surface form:
three-toothed lamprey
tridentate lamprey ⓘ |
| hasFins |
caudal fin continuous with dorsal fins
ⓘ
two dorsal fins ⓘ |
| hasGillOpenings | seven pairs ⓘ |
| hasLifeStage |
ammocoete larval stage
ⓘ
parasitic marine adult stage ⓘ spawning adult stage ⓘ |
| hasMorphology |
cartilaginous skeleton
ⓘ
elongated eel-like body ⓘ jawless circular oral disc ⓘ seven pairs of gill openings ⓘ |
| hasOralDiscFunction | attaches to host fish ⓘ |
| hasSensorySystem |
chemosensory abilities
ⓘ
well-developed lateral line system ⓘ |
| hasTeeth | keratinous teeth ⓘ |
| kingdom | Animalia ⓘ |
| lacks |
paired pectoral fins
ⓘ
paired pelvic fins ⓘ true jaws ⓘ true scales ⓘ |
| larvalFeedingType | filter feeder ⓘ |
| larvalHabitat | soft sediment in freshwater streams ⓘ |
| lifecycleType | anadromous ⓘ |
| managedBy |
U.S. Fish and Wildlife Service
ⓘ
tribal natural resource agencies ⓘ |
| maximumLength | over 80 centimeters ⓘ |
| migratesTo | ocean ⓘ |
| nativeTo |
Northern Pacific Ocean
ⓘ
surface form:
North Pacific Ocean
Pacific coast of North America ⓘ coastal rivers of Alaska ⓘ coastal rivers of British Columbia ⓘ coastal rivers of California ⓘ coastal rivers of Oregon ⓘ coastal rivers of Washington ⓘ |
| order |
Petromyzontidae
ⓘ
surface form:
Petromyzontiformes
|
| phylum | Chordata ⓘ |
| reproductionType | oviparous ⓘ |
| scientificName |
Entosphenus
ⓘ
surface form:
Entosphenus tridentatus
|
| semelparous | true ⓘ |
| spawningSubstrate | gravel nests in streams ⓘ |
| spawnsIn | freshwater streams ⓘ |
| subjectOf | Pacific Lamprey Conservation Initiative ⓘ |
| taxonRank | species ⓘ |
| threatenedBy |
climate change
ⓘ
dams and migration barriers ⓘ habitat degradation ⓘ streamflow alteration ⓘ water pollution ⓘ |
| usedAs |
ceremonial resource
ⓘ
trade item ⓘ traditional food source ⓘ |
| usesCueForMigration | pheromones from conspecific larvae ⓘ |
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: Pacific lamprey Description of subject: The Pacific lamprey is an ancient, eel-like jawless fish native to the Pacific coast of North America, where it plays a key ecological and cultural role, particularly for Indigenous communities.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
three-toothed lamprey