Polypteriformes
E51118
Polypteriformes is an ancient order of ray-finned fishes that includes bichirs and reedfish, known for their elongated bodies, ganoid scales, and ability to breathe air.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| Polypterus | 3 |
| Polypteridae | 2 |
| Erpetoichthys calabaricus | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
order of fishes
ⓘ
taxonomic order ⓘ |
| bodyShape | elongated body ⓘ |
| class | Actinopterygii ⓘ |
| commercialUse | aquarium trade ⓘ |
| commonName | bichirs and reedfish ⓘ |
| contrastWith | teleost fishes ⓘ |
| development | larvae with external gills ⓘ |
| dorsalFinType | series of finlets ⓘ |
| ecologicalRole | predators of invertebrates and small fishes ⓘ |
| evolutionaryStatus | ancient lineage of ray-finned fishes ⓘ |
| feedingType | carnivorous ⓘ |
| finType | ray-finned ⓘ |
| gasExchangeAdaptation | obligate or facultative air breathing ⓘ |
| geographicDistribution | Africa ⓘ |
| habitat | freshwater ⓘ |
| includes |
bichirs
ⓘ
reedfish ⓘ |
| includesGenus |
Erpetoichthys
ⓘ
Polypteriformes self-linksurface differs ⓘ
surface form:
Polypterus
|
| jawType | toothed jaws ⓘ |
| kingdom | Animalia ⓘ |
| locomotion |
benthic swimming
ⓘ
use of pectoral fins for walking-like movements ⓘ |
| notableFeature |
external gills in larvae
ⓘ
retention of many primitive actinopterygian traits ⓘ spiracle present ⓘ |
| phylogeneticPosition | basal actinopterygian lineage ⓘ |
| phylum | Chordata ⓘ |
| relatedTo | other ray-finned fishes ⓘ |
| reproduction | oviparous ⓘ |
| researchUse | model for early actinopterygian evolution ⓘ |
| respiration |
air-breathing
ⓘ
gills ⓘ paired lungs ⓘ |
| scaleComposition | ganoin ⓘ |
| scaleType | ganoid scales ⓘ |
| scientificNameAuthorship | Sauvage, 1880s (approximate historical period) ⓘ |
| sensorySystem | lateral line system ⓘ |
| skeletonFeature | heavily ossified skull ⓘ |
| skeletonType | bony fish ⓘ |
| subclass | Cladistia ⓘ |
| tailType | heterocercal-like tail ⓘ |
| timePeriodOrigin | Paleozoic or early Mesozoic ⓘ |
| typeSpeciesGenus |
Polypteriformes
self-linksurface differs
ⓘ
surface form:
Polypterus
|
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Polypteridae
this entity surface form:
Polypteridae
this entity surface form:
Polypterus
this entity surface form:
Polypterus