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 361 - 384 of 735 Tank Mates

Oscar & Iridescent Shark

Astronotus ocellatus · Pangasianodon hypophthalmus

Possible with Caution

Oscar: AggressiveIridescent Shark: Mostly Peaceful

Oscar & Jack Dempsey

Astronotus ocellatus · Rocio octofasciata

Possible with Caution

Oscar: AggressiveJack Dempsey: Aggressive

Oscar & Jaguar Cichlid

Astronotus ocellatus · Parachromis managuensis

Possible with Caution

Oscar: AggressiveJaguar Cichlid: Highly Aggressive

Oscar & Japanese Ricefish (Medaka)

Astronotus ocellatus · Oryzias latipes

Oscar & Japen Rainbowfish

Astronotus ocellatus · Melanotaenia japenensis

Possible with Caution

Oscar: AggressiveJapen Rainbowfish: Peaceful

Oscar & Julii Corydoras (False Julii)

Astronotus ocellatus · Corydoras trilineatus

Possible with Caution

Oscar: AggressiveJulii Corydoras (False Julii): Peaceful

Oscar & Jurupari Eartheater

Astronotus ocellatus · Satanoperca jurupari

Possible with Caution

Oscar: AggressiveJurupari Eartheater: Mostly Peaceful

Oscar & Kamaka Rainbowfish

Astronotus ocellatus · Melanotaenia kamaka

Possible with Caution

Oscar: AggressiveKamaka Rainbowfish: Peaceful

Oscar & Kenyi Cichlid

Astronotus ocellatus · Maylandia lombardoi

Oscar & Keyhole Cichlid

Astronotus ocellatus · Cleithracara maronii

Possible with Caution

Oscar: AggressiveKeyhole Cichlid: Peaceful

Oscar & Kissing Gourami

Astronotus ocellatus · Helostoma temminckii

Possible with Caution

Oscar: AggressiveKissing Gourami: Semi-Aggressive

Oscar & Kiunga Blue Eye

Astronotus ocellatus · Kiunga ballochi

Oscar & Knight Goby

Astronotus ocellatus · Stigmatogobius sadanundio

Possible with Caution

Oscar: AggressiveKnight Goby: Semi-Aggressive

Oscar & Koi

Astronotus ocellatus · Cyprinus rubrofuscus

Possible with Caution

Oscar: AggressiveKoi: Peaceful

Oscar & Kribensis

Astronotus ocellatus · Pelvicachromis pulcher

Possible with Caution

Oscar: AggressiveKribensis: Semi-Aggressive

Oscar & Kuhli Loach

Astronotus ocellatus · Pangio kuhlii

Possible with Caution

Oscar: AggressiveKuhli Loach: Peaceful

Oscar & Lacerda Cory C015

Astronotus ocellatus · Scleromystax lacerdai

Possible with Caution

Oscar: AggressiveLacerda Cory C015: Peaceful

Oscar & Lake Eacham Rainbowfish

Astronotus ocellatus · Melanotaenia eachamensis

Possible with Caution

Oscar: AggressiveLake Eacham Rainbowfish: Peaceful

Oscar & Lake Mbuta Rainbowfish

Astronotus ocellatus · Pelangia mbutaensis

Possible with Caution

Oscar: AggressiveLake Mbuta Rainbowfish: Peaceful

Oscar & Lake Tebera Rainbowfish

Astronotus ocellatus · Melanotaenia herbertaxelrodi

Possible with Caution

Oscar: AggressiveLake Tebera Rainbowfish: Peaceful

Oscar & Lake Wanam Rainbowfish

Astronotus ocellatus · Glossolepis wanamensis

Possible with Caution

Oscar: AggressiveLake Wanam Rainbowfish: Peaceful

Oscar & Largemouth Bass

Astronotus ocellatus · Micropterus salmoides

Possible with Caution

Oscar: AggressiveLargemouth Bass: Aggressive

Oscar & Largereye Lampeye Killifish

Astronotus ocellatus · Micropanchax macrophthalmus

Oscar & Least Killifish (Heterandria)

Astronotus ocellatus · Heterandria formosa