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 553 - 576 of 735 Tank Mates

Oscar & Red Phantom Tetra

Astronotus ocellatus · Hyphessobrycon sweglesi

Oscar & Red Rainbowfish

Astronotus ocellatus · Glossolepis incisus

Possible with Caution

Oscar: AggressiveRed Rainbowfish: Mostly Peaceful

Oscar & Red Striped Eartheater

Astronotus ocellatus · Geophagus surinamensis

Possible with Caution

Oscar: AggressiveRed Striped Eartheater: Mostly Peaceful

Oscar & Red Swamp Crayfish

Astronotus ocellatus · Procambarus clarkii

Possible with Caution

Oscar: AggressiveRed Swamp Crayfish: Highly Aggressive

Oscar & Red Tail Barracuda

Astronotus ocellatus · Acestrorhynchus falcatus

Possible with Caution

Oscar: AggressiveRed Tail Barracuda: Aggressive

Oscar & Red Tailed Black Shark

Astronotus ocellatus · Epalzeorhynchos bicolor

Possible with Caution

Oscar: AggressiveRed Tailed Black Shark: Aggressive

Oscar & Red Tailed Redeye Puffer

Astronotus ocellatus · Carinotetraodon irrubesco

Oscar & Red Terror (Festa's Cichlid)

Astronotus ocellatus · Mesoheros festae

Possible with Caution

Oscar: AggressiveRed Terror (Festa's Cichlid): Highly Aggressive

Oscar & Red Top Cobalt Cichlid

Astronotus ocellatus · Metriaclima greshakei

Possible with Caution

Oscar: AggressiveRed Top Cobalt Cichlid: Aggressive

Oscar & Red Tupfel Shrimp

Astronotus ocellatus · Caridina serrata

Oscar & Red Zebra Cichlid (Cherry Red)

Astronotus ocellatus · Metriaclima estherae

Oscar & Red-Bellied Piranha

Astronotus ocellatus · Pygocentrus nattereri

Possible with Caution

Oscar: AggressiveRed-Bellied Piranha: Aggressive

Oscar & Red-Finned Rainbowfish

Astronotus ocellatus · Melanotaenia rubripinnis

Possible with Caution

Oscar: AggressiveRed-Finned Rainbowfish: Peaceful

Oscar & Red-Tail Catfish

Astronotus ocellatus · Phractocephalus hemioliopterus

Possible with Caution

Oscar: AggressiveRed-Tail Catfish: Aggressive

Oscar & Redbreast Sunfish

Astronotus ocellatus · Lepomis auritus

Possible with Caution

Oscar: AggressiveRedbreast Sunfish: Aggressive

Oscar & Redear Sunfish

Astronotus ocellatus · Lepomis microlophus

Possible with Caution

Oscar: AggressiveRedear Sunfish: Semi-Aggressive

Oscar & Redhead Cichlid

Astronotus ocellatus · Vieja melanura

Possible with Caution

Oscar: AggressiveRedhead Cichlid: Aggressive

Oscar & Redhead Severum

Astronotus ocellatus · Heros sp. Rotkeil

Possible with Caution

Oscar: AggressiveRedhead Severum: Semi-Aggressive

Oscar & Redline Rasbora

Astronotus ocellatus · Rasbora pauciperforata

Possible with Caution

Oscar: AggressiveRedline Rasbora: Peaceful

Oscar & Redtail Splitfin

Astronotus ocellatus · Xenotoca eiseni

Possible with Caution

Oscar: AggressiveRedtail Splitfin: Semi-Aggressive

Oscar & Reedfish (Ropefish)

Astronotus ocellatus · Erpetoichthys calabaricus

Possible with Caution

Oscar: AggressiveReedfish (Ropefish): Mostly Peaceful

Oscar & Regan's Julie

Astronotus ocellatus · Julidochromis regani

Oscar & Reticulated Hillstream Loach

Astronotus ocellatus · Sewellia lineolata

Possible with Caution

Oscar: AggressiveReticulated Hillstream Loach: Mostly Peaceful

Oscar & Reticulated Stingray (Teacup Ray)

Astronotus ocellatus · Potamotrygon orbignyi

Possible with Caution

Oscar: AggressiveReticulated Stingray (Teacup Ray): Mostly Peaceful