Percopsiformes

E1001600

Percopsiformes is an order of small, primarily freshwater ray-finned fishes that includes trout-perches and their relatives, mostly found in North America.

All labels observed (1)

Label Occurrences
Percopsiformes canonical 3

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf order of fishes
taxon
belongsToClade Euteleostei
bodySize small
class Actinopterygii
commonName trout-perch and allies
containsExtantFamilies yes
diet invertebrates
small aquatic organisms
distribution North America
ecologicalRole small benthic and midwater predators
eyeAdaptationInSomeMembers reduced or absent eyes
finType ray-finned
geologicalTimeOfOrigin Cretaceous or earlier
habitat freshwater
hasCharacteristic adipose fin present in some species
includes cave-dwelling species
includes surface-dwelling species
mostly endemic to North America
soft-rayed fins in many species
hasMember Amblyopsidae
Aphredoderidae
Percopsidae
higherTaxon Teleostei
includes cavefishes
pirate perches
trout-perches
includesFishes yes
infraclass Teleostei
kingdom Animalia
notableSpeciesExample Amblyopsis spelaea
Aphredoderus sayanus
Percopsis omiscomaycus
phylum Chordata
primaryContinent North America
region Nearctic
reproduction oviparous
salinityPreference freshwater
skeletonType bony fishes
subclass Neopterygii
taxonomicRank order
typicalEnvironment lakes
rivers
streams
waterType primarily freshwater

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Acanthopterygii contains Percopsiformes
Speoplatyrhinus poulsoni order Percopsiformes
Paracanthopterygii includes Percopsiformes