Astronotus ocellatus

E842650

Astronotus ocellatus, commonly known as the oscar, is a large, colorful South American cichlid fish popular in the aquarium trade for its intelligence and distinctive personality.

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Statements (50)

Predicate Object
instanceOf cichlid
fish species
aquariumTankRequirement large tank
aquariumTemperament aggressive toward smaller fish
behavior can recognize keepers
bodyShape oval and laterally compressed
class Actinopterygii
coloration dark body with orange or red markings
commonName marble cichlid
oscar
tiger oscar
velvet cichlid
describedBy Louis Agassiz NERFINISHED
diet crustaceans
insects
omnivorous
plant material
small fish
distinctiveFeature ocellated spot on caudal peduncle
family Cichlidae NERFINISHED
genus Astronotus NERFINISHED
habitat backwaters
floodplain lakes
slow-moving freshwater rivers
intelligence high for a fish
introducedTo Australia NERFINISHED
China NERFINISHED
United States NERFINISHED
IUCNStatus Least Concern
kingdom Animalia
lifespanInCaptivity 10–20 years
maximumLength about 45 cm
maximumWeight about 1.6 kg
nativeTo Amazon River basin NERFINISHED
Paraguay River basin
Paraná River basin NERFINISHED
Río Negro basin NERFINISHED
South America
order Cichliformes NERFINISHED
parentalCare biparental brood care
pHRange 6.0–8.0
phylum Chordata
reproduction egg-laying
socialBehavior territorial
taxonRank species
typicalAquariumLength 25–30 cm GENERATED
typicalTemperatureRange 23–28 °C
use aquarium trade
waterType tropical freshwater
yearDescribed 1831

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Cichlidae notableSpecies Astronotus ocellatus