Actinopterygii
E6419
Actinopterygii is the diverse class of ray-finned fishes that comprises the vast majority of modern fish species found in marine and freshwater environments.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Actinopterygii canonical | 1,022 |
| Teleostei | 15 |
| Actinopteri | 1 |
| Chondrostei | 1 |
| zebrafish (Danio rerio) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T72403 — 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: Actinopterygii Context triple: [Animalia, includesClass, Actinopterygii]
-
A.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
B.
Animalia
Animalia is the biological kingdom comprising all multicellular animals, characterized by eukaryotic, heterotrophic organisms that typically have specialized tissues and the ability to move.
-
C.
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.
-
D.
ichthys
Ichthys is an early Christian symbol depicting a simple fish outline, historically used by believers as a secret sign of their faith.
-
E.
Galliformes
Galliformes is an order of heavy-bodied, ground-feeding birds that includes quails, pheasants, turkeys, grouse, and chickens.
- 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: Actinopterygii Target entity description: Actinopterygii is the diverse class of ray-finned fishes that comprises the vast majority of modern fish species found in marine and freshwater environments.
-
A.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
B.
Animalia
Animalia is the biological kingdom comprising all multicellular animals, characterized by eukaryotic, heterotrophic organisms that typically have specialized tissues and the ability to move.
-
C.
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.
-
D.
ichthys
Ichthys is an early Christian symbol depicting a simple fish outline, historically used by believers as a secret sign of their faith.
-
E.
Galliformes
Galliformes is an order of heavy-bodied, ground-feeding birds that includes quails, pheasants, turkeys, grouse, and chickens.
- F. None of above. chosen
Statements (76)
| Predicate | Object |
|---|---|
| instanceOf |
class
ⓘ
ray-finned fishes ⓘ taxon ⓘ |
| bloodTemperature | mostly ectothermic ⓘ |
| circulatorySystem | closed circulatory system ⓘ |
| commonName | ray-finned fishes ⓘ |
| comprises | majority of modern fish species ⓘ |
| contrastedWith | Sarcopterygii ⓘ |
| diversifiedDuring | Mesozoic ⓘ |
| estimatedSpeciesCount | over 30000 ⓘ |
| geologicalFirstAppearance | Late Silurian ⓘ |
| habitat |
brackish waters
ⓘ
freshwater environments ⓘ marine environments ⓘ |
| hasBodyPlan |
elongated body common
ⓘ
laterally compressed body common ⓘ streamlined body common ⓘ |
| hasCharacteristic |
external fertilization common
ⓘ
fins supported by bony rays ⓘ gills covered by an operculum ⓘ high ecological diversity ⓘ high morphological diversity ⓘ paired pectoral fins ⓘ paired pelvic fins ⓘ scales usually present ⓘ skeleton primarily composed of bone ⓘ swim bladder usually present ⓘ |
| hasLifespanRange | from less than 1 year to several decades ⓘ |
| importance |
key role in aquatic food webs
ⓘ
major component of global fisheries ⓘ major source of animal protein for humans ⓘ |
| includesFeedingType |
carnivores
ⓘ
detritivores ⓘ herbivores ⓘ omnivores ⓘ planktivores ⓘ |
| includesInfraclass |
Neopterygii
ⓘ
surface form:
Teleostei
|
| includesNotableSpecies |
Atlantic cod (Gadus morhua)
ⓘ
clownfish (Amphiprioninae) ⓘ flatfishes (Pleuronectiformes) ⓘ goldfish (Carassius auratus) ⓘ pufferfish (Tetraodontidae) ⓘ salmon (Salmo and Oncorhynchus spp.) ⓘ seahorses (Hippocampus spp.) ⓘ tuna (Thunnus spp.) ⓘ Actinopterygii self-linksurface differs ⓘ
surface form:
zebrafish (Danio rerio)
|
| includesOrder |
Acipenseriformes
ⓘ
Anguilliformes ⓘ Atheriniformes ⓘ Beloniformes ⓘ Cypriniformes ⓘ Cyprinodontiformes ⓘ Gadiformes ⓘ Lophiiformes ⓘ Osteoglossiformes ⓘ Perciformes ⓘ Pleuronectiformes ⓘ Polypteriformes ⓘ Salmoniformes ⓘ Scorpaeniformes ⓘ Siluriformes ⓘ Tetraodontiformes ⓘ |
| includesReproductionMode |
ovoviviparous species
ⓘ
viviparous species ⓘ |
| includesSizeRange | from a few millimeters to several meters in length ⓘ |
| includesSubclass |
Actinopterygii
self-linksurface differs
ⓘ
surface form:
Chondrostei
Cladistia ⓘ Neopterygii ⓘ |
| kingdom | Animalia ⓘ |
| locomotion | swimming via body and caudal fin undulation ⓘ |
| phylum | Chordata ⓘ |
| reproductionMode | mostly oviparous ⓘ |
| respiration | gills ⓘ |
| subphylum | Vertebrata ⓘ |
| superclass | Osteichthyes ⓘ |
| taxonRank | class ⓘ |
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: Actinopterygii Description of subject: Actinopterygii is the diverse class of ray-finned fishes that comprises the vast majority of modern fish species found in marine and freshwater environments.
Referenced by (1,040)
Full triples — surface form annotated when it differs from this entity's canonical label.