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.
Aliases (4)
- Teleostei ×8
- Actinopteri ×1
- Chondrostei ×1
- zebrafish (Danio rerio) ×1
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 |
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.) → 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 |
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
→
|