Acipenser ruthenus
E881838
Acipenser ruthenus, commonly known as the sterlet, is a small freshwater sturgeon native to Eurasian rivers and valued for its caviar and conservation importance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Acipenser ruthenus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10681138 — 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: Acipenser ruthenus Context triple: [Acipenser, hasSpecies, Acipenser ruthenus]
-
A.
Acipenser
Acipenser is a genus of sturgeon fishes known for their ancient evolutionary lineage and importance as a source of caviar.
-
B.
Amur sturgeon
The Amur sturgeon is a large, long-lived freshwater fish native to the Amur River basin in East Asia, valued for its caviar and threatened by overfishing and habitat degradation.
-
C.
Sturgeon
Sturgeon is a surname most prominently associated with Nicola Sturgeon, the former First Minister of Scotland and leader of the Scottish National Party.
-
D.
Glyptocephalus cynoglossus
Glyptocephalus cynoglossus, commonly known as the witch flounder or grey sole, is a bottom-dwelling flatfish found in cold North Atlantic waters and valued as a commercial food fish.
-
E.
Alosa
Alosa is a genus of shad fishes in the herring family, known for their migratory behavior between marine and freshwater environments.
- 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: Acipenser ruthenus Target entity description: Acipenser ruthenus, commonly known as the sterlet, is a small freshwater sturgeon native to Eurasian rivers and valued for its caviar and conservation importance.
-
A.
Acipenser
Acipenser is a genus of sturgeon fishes known for their ancient evolutionary lineage and importance as a source of caviar.
-
B.
Amur sturgeon
The Amur sturgeon is a large, long-lived freshwater fish native to the Amur River basin in East Asia, valued for its caviar and threatened by overfishing and habitat degradation.
-
C.
Sturgeon
Sturgeon is a surname most prominently associated with Nicola Sturgeon, the former First Minister of Scotland and leader of the Scottish National Party.
-
D.
Glyptocephalus cynoglossus
Glyptocephalus cynoglossus, commonly known as the witch flounder or grey sole, is a bottom-dwelling flatfish found in cold North Atlantic waters and valued as a commercial food fish.
-
E.
Alosa
Alosa is a genus of shad fishes in the herring family, known for their migratory behavior between marine and freshwater environments.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | fish species ⓘ |
| ageAtMaturity | 3–7 years ⓘ |
| barbels | four barbels in front of mouth ⓘ |
| bodyArmor | bony scutes ⓘ |
| bodyShape | elongated ⓘ |
| class | Actinopterygii ⓘ |
| commercialUse |
caviar
ⓘ
live fish trade ⓘ recreational fisheries ⓘ |
| commonName | sterlet ⓘ |
| conservationStatus | Vulnerable ⓘ |
| diet |
insect larvae
ⓘ
invertebrates ⓘ small crustaceans ⓘ worms ⓘ |
| distributionTrend | declining in the wild ⓘ |
| family | Acipenseridae NERFINISHED ⓘ |
| feedingType | benthic feeder ⓘ |
| genus | Acipenser ⓘ |
| habitat |
freshwater rivers
ⓘ
large river systems ⓘ slow-flowing river stretches ⓘ |
| kingdom | Animalia ⓘ |
| lifespan | up to about 20–25 years ⓘ |
| management | subject to conservation measures ⓘ |
| maximumLength | about 100 cm ⓘ |
| maximumWeight | around 16 kg ⓘ |
| migratoryBehavior | potamodromous ⓘ |
| nativeTo |
Danube River basin
NERFINISHED
ⓘ
Eurasia NERFINISHED ⓘ Ural River basin NERFINISHED ⓘ Volga River basin NERFINISHED ⓘ |
| order | Acipenseriformes NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| reproductionType | oviparous ⓘ |
| snout | long and pointed ⓘ |
| spawningHabitat | gravelly river bottoms ⓘ |
| taxonRank | species ⓘ |
| threat |
dams blocking migration
ⓘ
habitat degradation ⓘ overfishing ⓘ pollution ⓘ river regulation ⓘ |
| typicalLength | 40–60 cm ⓘ |
| usedIn |
aquaculture
ⓘ
restocking programs ⓘ |
| valuedFor |
caviar production
ⓘ
meat ⓘ |
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: Acipenser ruthenus Description of subject: Acipenser ruthenus, commonly known as the sterlet, is a small freshwater sturgeon native to Eurasian rivers and valued for its caviar and conservation importance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.