white-clawed crayfish
E345274
The white-clawed crayfish is a small, freshwater crustacean native to Europe, now threatened by habitat loss and competition from invasive crayfish species.
All labels observed (1)
| Label | Occurrences |
|---|---|
| white-clawed crayfish canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3292566 — 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: white-clawed crayfish Context triple: [River Wensum, notableSpecies, white-clawed crayfish]
-
A.
Astacus
Astacus was an ancient Greek colony city, traditionally associated with settlers from Megara, located in the region of Bithynia near the Propontis (Sea of Marmara).
-
B.
Morone chrysops
Morone chrysops is a North American freshwater game fish in the temperate bass family, known for its silvery body with dark horizontal stripes and popularity among anglers.
-
C.
opus caementicium
Opus caementicium is the durable ancient Roman concrete that enabled the construction of large-scale structures like domes, vaults, and harbors.
-
D.
Ancylus fluviatilis
Ancylus fluviatilis is a small freshwater limpet-like snail (an aquatic gastropod mollusk) commonly found in European rivers and streams.
-
E.
Ise-ebi spiny lobster
The Ise-ebi spiny lobster is a prized Japanese spiny lobster species renowned for its sweet, delicate flesh and frequent use in high-end traditional cuisine, especially in coastal regions like Mie Prefecture.
- 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: white-clawed crayfish Target entity description: The white-clawed crayfish is a small, freshwater crustacean native to Europe, now threatened by habitat loss and competition from invasive crayfish species.
-
A.
Astacus
Astacus was an ancient Greek colony city, traditionally associated with settlers from Megara, located in the region of Bithynia near the Propontis (Sea of Marmara).
-
B.
Morone chrysops
Morone chrysops is a North American freshwater game fish in the temperate bass family, known for its silvery body with dark horizontal stripes and popularity among anglers.
-
C.
opus caementicium
Opus caementicium is the durable ancient Roman concrete that enabled the construction of large-scale structures like domes, vaults, and harbors.
-
D.
Ancylus fluviatilis
Ancylus fluviatilis is a small freshwater limpet-like snail (an aquatic gastropod mollusk) commonly found in European rivers and streams.
-
E.
Ise-ebi spiny lobster
The Ise-ebi spiny lobster is a prized Japanese spiny lobster species renowned for its sweet, delicate flesh and frequent use in high-end traditional cuisine, especially in coastal regions like Mie Prefecture.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
arthropod
ⓘ
crayfish ⓘ decapod ⓘ freshwater crustacean ⓘ |
| activityPattern | nocturnal ⓘ |
| averageLength | 6 to 12 centimetres ⓘ |
| bodyColor |
brown
ⓘ
olive-brown ⓘ |
| class | Malacostraca ⓘ |
| conservationStatus | Endangered ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| diet | omnivore ⓘ |
| distinguishingFeature | pale underside of claws ⓘ |
| eats |
aquatic invertebrates
ⓘ
detritus ⓘ plant material ⓘ |
| ecologicalRole |
benthic detritivore
ⓘ
prey species for fish and birds ⓘ |
| family | Astacidae ⓘ |
| genus |
Austropotamobius
ⓘ
linked to:
Austropotamobius pallipes
|
| habitat |
calcareous waters
ⓘ
freshwater streams ⓘ lakes ⓘ rivers ⓘ |
| hasCommonName |
Atlantic stream crayfish
ⓘ
European white-clawed crayfish ⓘ white-clawed crayfish ⓘ |
| hatchingSeason | spring ⓘ |
| kingdom | Animalia ⓘ |
| laysEggsIn | late autumn ⓘ |
| listedIn |
Bern Convention
ⓘ
linked to:
Convention on the Conservation of European Wildlife and Natural Habitats (Bern Convention)
EU Habitats Directive ⓘ |
| maximumLength | 12 centimetres ⓘ |
| nativeTo |
British Isles
ⓘ
Europe ⓘ France ⓘ Great Britain ⓘ Iberian Peninsula ⓘ Ireland ⓘ Italy ⓘ |
| order | Decapoda ⓘ |
| phylum | Arthropoda ⓘ |
| protectedIn |
European Union
ⓘ
United Kingdom ⓘ |
| reproduction | sexual reproduction ⓘ |
| scientificName | Austropotamobius pallipes ⓘ |
| subphylum | Crustacea ⓘ |
| taxonRank | species ⓘ |
| threatenedBy |
crayfish plague
ⓘ
habitat loss ⓘ invasive crayfish species ⓘ signal crayfish ⓘ water pollution ⓘ |
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: white-clawed crayfish Description of subject: The white-clawed crayfish is a small, freshwater crustacean native to Europe, now threatened by habitat loss and competition from invasive crayfish species.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.