Oscar Tank Mates & Compatibility

Oscar

Astronotus ocellatus

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TemperamentAggressive (7/10)

Adult Size30 cm

Temperature23–27°C

Water TypeFreshwater Only

Swim ZoneMid-level, Bottom

StockingSolo or group

Showing 97 - 120 of 735 Tank Mates

Oscar & Betta Macrostoma

Astronotus ocellatus · Betta macrostoma

Possible with Caution

Oscar: AggressiveBetta Macrostoma: Semi-Aggressive

Oscar & Betta Smaragdina

Astronotus ocellatus · Betta smaragdina

Possible with Caution

Oscar: AggressiveBetta Smaragdina: Semi-Aggressive

Oscar & Black Acara

Astronotus ocellatus · Cichlasoma bimaculatum

Possible with Caution

Oscar: AggressiveBlack Acara: Semi-Aggressive

Oscar & Black Belt Cichlid

Astronotus ocellatus · Vieja maculicauda

Possible with Caution

Oscar: AggressiveBlack Belt Cichlid: Aggressive

Oscar & Black Bullhead Catfish

Astronotus ocellatus · Ameiurus melas

Possible with Caution

Oscar: AggressiveBlack Bullhead Catfish: Aggressive

Oscar & Black Corydoras

Astronotus ocellatus · Corydoras schultzei

Possible with Caution

Oscar: AggressiveBlack Corydoras: Peaceful

Oscar & Black Diamond Cichlid

Astronotus ocellatus · Paratilapia polleni

Possible with Caution

Oscar: AggressiveBlack Diamond Cichlid: Aggressive

Oscar & Black Fin Cory

Astronotus ocellatus · Corydoras leucomelas

Possible with Caution

Oscar: AggressiveBlack Fin Cory: Peaceful

Oscar & Black Ghost Knifefish

Astronotus ocellatus · Apteronotus albifrons

Possible with Caution

Oscar: AggressiveBlack Ghost Knifefish: Semi-Aggressive

Oscar & Black Kuhli Loach

Astronotus ocellatus · Pangio oblonga

Possible with Caution

Oscar: AggressiveBlack Kuhli Loach: Peaceful

Oscar & Black Marble Hoplo

Astronotus ocellatus · Megalechis thoracata

Possible with Caution

Oscar: AggressiveBlack Marble Hoplo: Mostly Peaceful

Oscar & Black Neon Tetra

Astronotus ocellatus · Hyphessobrycon herbertaxelrodi

Oscar & Black Ocellatus

Astronotus ocellatus · Lamprologus speciosus

Oscar & Black Pacu

Astronotus ocellatus · Colossoma macropomum

Possible with Caution

Oscar: AggressiveBlack Pacu: Mostly Peaceful

Oscar & Black Phantom Tetra

Astronotus ocellatus · Hyphessobrycon megalopterus

Oscar & Black Ruby Barb

Astronotus ocellatus · Pethia nigrofasciata

Possible with Caution

Oscar: AggressiveBlack Ruby Barb: Mostly Peaceful

Oscar & Black Skirt Tetra

Astronotus ocellatus · Gymnocorymbus ternetzi

Possible with Caution

Oscar: AggressiveBlack Skirt Tetra: Mostly Peaceful

Oscar & Black-Banded Rainbowfish

Astronotus ocellatus · Melanotaenia nigrans

Possible with Caution

Oscar: AggressiveBlack-Banded Rainbowfish: Peaceful

Oscar & Blackline Rasbora

Astronotus ocellatus · Rasbora borapetensis

Possible with Caution

Oscar: AggressiveBlackline Rasbora: Peaceful

Oscar & Bladder Snail (Pest Snail)

Astronotus ocellatus · Physella acuta

Oscar & Bleeding Heart Tetra

Astronotus ocellatus · Hyphessobrycon erythrostigma

Possible with Caution

Oscar: AggressiveBleeding Heart Tetra: Peaceful

Oscar & Bleher's Rainbowfish

Astronotus ocellatus · Chilatherina bleheri

Possible with Caution

Oscar: AggressiveBleher's Rainbowfish: Peaceful

Oscar & Blind Cave Tetra

Astronotus ocellatus · Astyanax mexicanus

Possible with Caution

Oscar: AggressiveBlind Cave Tetra: Mostly Peaceful

Oscar & Blood Parrot Cichlid

Astronotus ocellatus · Hybrid cichlid (Blood Parrot)

Possible with Caution

Oscar: AggressiveBlood Parrot Cichlid: Semi-Aggressive