Guidarium Logo
Search
Back to all fishes

Oscar Tank Mates & Compatibility

Oscar

Astronotus ocellatus

View full care guide
TemperamentAggressive (7/10)
Adult Size30 cm
Temperature23–27°C
Water TypeFreshwater Only
Swim ZoneMid-level, Bottom
StockingSolo or group
Showing 145 - 168 of 735 Tank Mates

Oscar & Buccochromis lepturus

Astronotus ocellatus · Buccochromis lepturus

Possible with Caution
Oscar: AggressiveBuccochromis lepturus: Semi-Aggressive

Oscar & Buccochromis rhoadesii

Astronotus ocellatus · Buccochromis rhoadesii

Not Recommended
Oscar: AggressiveBuccochromis rhoadesii: Aggressive

Oscar & Bucktooth Tetra (Exodon)

Astronotus ocellatus · Exodon paradoxus

Possible with Caution
Oscar: AggressiveBucktooth Tetra (Exodon): Highly Aggressive

Oscar & Buenos Aires Tetra

Astronotus ocellatus · Hyphessobrycon anisitsi

Possible with Caution
Oscar: AggressiveBuenos Aires Tetra: Semi-Aggressive

Oscar & Buettikoferi Bichir

Astronotus ocellatus · Polypterus palmas buettikoferi

Possible with Caution
Oscar: AggressiveBuettikoferi Bichir: Semi-Aggressive

Oscar & Buffalo Head Cichlid

Astronotus ocellatus · Steatocranus casuarius

Possible with Caution
Oscar: AggressiveBuffalo Head Cichlid: Semi-Aggressive

Oscar & Bullseye Catfish

Astronotus ocellatus · Horabagrus brachysoma

Possible with Caution
Oscar: AggressiveBullseye Catfish: Semi-Aggressive

Oscar & Bullseye Snakehead

Astronotus ocellatus · Channa marulius

Possible with Caution
Oscar: AggressiveBullseye Snakehead: Highly Aggressive

Oscar & Bulolo Rainbowfish

Astronotus ocellatus · Chilatherina bulolo

Possible with Caution
Oscar: AggressiveBulolo Rainbowfish: Peaceful

Oscar & Bumblebee Catfish (South American)

Astronotus ocellatus · Microglanis iheringi

Possible with Caution
Oscar: AggressiveBumblebee Catfish (South American): Mostly Peaceful

Oscar & Bumblebee Cichlid

Astronotus ocellatus · Pseudotropheus crabro

Not Recommended
Oscar: AggressiveBumblebee Cichlid: Aggressive

Oscar & Bumblebee Goby (Brackish)

Astronotus ocellatus · Brachygobius xanthozonus

Not Recommended
Oscar: AggressiveBumblebee Goby (Brackish): Mostly Peaceful

Oscar & Butterfly Goodeid

Astronotus ocellatus · Ameca splendens

Possible with Caution
Oscar: AggressiveButterfly Goodeid: Semi-Aggressive

Oscar & Butterfly Peacock Cichlid

Astronotus ocellatus · Aulonocara jacobfreibergi

Not Recommended
Oscar: AggressiveButterfly Peacock Cichlid: Semi-Aggressive

Oscar & Butterfly Pleco (L168)

Astronotus ocellatus · Dekeyseria brachyura

Possible with Caution
Oscar: AggressiveButterfly Pleco (L168): Peaceful

Oscar & Cairns Rainbowfish

Astronotus ocellatus · Cairnsichthys rhombosomoides

Possible with Caution
Oscar: AggressiveCairns Rainbowfish: Peaceful

Oscar & Candy Striped Pleco (L015)

Astronotus ocellatus · Peckoltia vittata

Possible with Caution
Oscar: AggressiveCandy Striped Pleco (L015): Mostly Peaceful

Oscar & Cardinal Shrimp (Sulawesi)

Astronotus ocellatus · Caridina dennerli

Not Recommended
Oscar: AggressiveCardinal Shrimp (Sulawesi): Peaceful

Oscar & Cardinal Tetra

Astronotus ocellatus · Paracheirodon axelrodi

Not Recommended
Oscar: AggressiveCardinal Tetra: Peaceful

Oscar & Celebes Halfbeak

Astronotus ocellatus · Nomorhamphus liemi

Possible with Caution
Oscar: AggressiveCelebes Halfbeak: Mostly Peaceful

Oscar & Celebes Rainbowfish

Astronotus ocellatus · Marosatherina ladigesi

Possible with Caution
Oscar: AggressiveCelebes Rainbowfish: Peaceful

Oscar & Celestial Pearl Danio (Galaxy Rasbora)

Astronotus ocellatus · Danio margaritatus

Not Recommended
Oscar: AggressiveCelestial Pearl Danio (Galaxy Rasbora): Peaceful

Oscar & Ceylon Puffer (Brackish)

Astronotus ocellatus · Dichotomyctere fluviatilis

Not Recommended
Oscar: AggressiveCeylon Puffer (Brackish): Aggressive

Oscar & Chanchito

Astronotus ocellatus · Australoheros facetus

Possible with Caution
Oscar: AggressiveChanchito: Semi-Aggressive