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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 1 - 24 of 183 Tank Mates

Oscar & African Butterfly Cichlid

Astronotus ocellatus · Anomalochromis thomasi

🟡Possible with Caution
Oscar: AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

Oscar & African Butterfly Fish

Astronotus ocellatus · Pantodon buchholzi

🟡Possible with Caution
Oscar: AggressiveAfrican Butterfly Fish: Semi-Aggressive

Oscar & African Jewel Cichlid

Astronotus ocellatus · Hemichromis bimaculatus

🟡Possible with Caution
Oscar: AggressiveAfrican Jewel Cichlid: Aggressive

Oscar & African Lungfish

Astronotus ocellatus · Protopterus annectens

🟡Possible with Caution
Oscar: AggressiveAfrican Lungfish: Highly Aggressive

Oscar & Agassiz's Dwarf Cichlid

Astronotus ocellatus · Apistogramma agassizii

🟡Possible with Caution
Oscar: AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

Oscar & Amano Shrimp

Astronotus ocellatus · Caridina multidentata

🔴Not Recommended
Oscar: AggressiveAmano Shrimp: Peaceful

Oscar & Amazon Leaf Fish

Astronotus ocellatus · Monocirrhus polyacanthus

🟡Possible with Caution
Oscar: AggressiveAmazon Leaf Fish: Peaceful

Oscar & Amazon Puffer

Astronotus ocellatus · Colomesus asellus

🟡Possible with Caution
Oscar: AggressiveAmazon Puffer: Mostly Peaceful

Oscar & Apple Snail

Astronotus ocellatus · Pomacea maculata

🟡Possible with Caution
Oscar: AggressiveApple Snail: Peaceful

Oscar & Assassin Snail

Astronotus ocellatus · Clea helena

🔴Not Recommended
Oscar: AggressiveAssassin Snail: Peaceful

Oscar & Auratus Cichlid (Mbuna)

Astronotus ocellatus · Melanochromis auratus

🔴Not Recommended
Oscar: AggressiveAuratus Cichlid (Mbuna): Highly Aggressive

Oscar & Bala Shark

Astronotus ocellatus · Balantiocheilos melanopterus

🟡Possible with Caution
Oscar: AggressiveBala Shark: Mostly Peaceful

Oscar & Bamboo Shrimp

Astronotus ocellatus · Atyopsis moluccensis

🟡Possible with Caution
Oscar: AggressiveBamboo Shrimp: Peaceful

Oscar & Banded Archerfish (Brackish)

Astronotus ocellatus · Toxotes jaculatrix

🔴Not Recommended
Oscar: AggressiveBanded Archerfish (Brackish): Semi-Aggressive

Oscar & Beckford's Pencilfish

Astronotus ocellatus · Nannostomus beckfordi

🔴Not Recommended
Oscar: AggressiveBeckford's Pencilfish: Peaceful

Oscar & Bee Shrimp (Crystal Red / Black)

Astronotus ocellatus · Caridina cantonensis

🔴Not Recommended
Oscar: AggressiveBee Shrimp (Crystal Red / Black): Peaceful

Oscar & Betta (Siamese Fighting Fish)

Astronotus ocellatus · Betta splendens

🟡Possible with Caution
Oscar: AggressiveBetta (Siamese Fighting Fish): Semi-Aggressive

Oscar & Black Ghost Knifefish

Astronotus ocellatus · Apteronotus albifrons

🟡Possible with Caution
Oscar: AggressiveBlack Ghost Knifefish: Semi-Aggressive

Oscar & Black Neon Tetra

Astronotus ocellatus · Hyphessobrycon herbertaxelrodi

🔴Not Recommended
Oscar: AggressiveBlack Neon Tetra: Peaceful

Oscar & Black Pacu

Astronotus ocellatus · Colossoma macropomum

🟡Possible with Caution
Oscar: AggressiveBlack Pacu: Mostly Peaceful

Oscar & Black Skirt Tetra

Astronotus ocellatus · Gymnocorymbus ternetzi

🟡Possible with Caution
Oscar: AggressiveBlack Skirt Tetra: Mostly Peaceful

Oscar & Bladder Snail (Pest Snail)

Astronotus ocellatus · Physella acuta

🔴Not Recommended
Oscar: AggressiveBladder Snail (Pest Snail): Peaceful

Oscar & Bleeding Heart Tetra

Astronotus ocellatus · Hyphessobrycon erythrostigma

🟡Possible with Caution
Oscar: AggressiveBleeding Heart Tetra: Peaceful

Oscar & Blind Cave Tetra

Astronotus ocellatus · Astyanax mexicanus

🟡Possible with Caution
Oscar: AggressiveBlind Cave Tetra: Mostly Peaceful