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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 649 - 672 of 735 Tank Mates

Oscar & Tailbar Cichlid

Astronotus ocellatus · Vieja hartwegi

Possible with Caution
Oscar: AggressiveTailbar Cichlid: Aggressive

Oscar & Taiwan Reef Cichlid

Astronotus ocellatus · Protomelas sp. "Steveni Taiwan"

Not Recommended
Oscar: AggressiveTaiwan Reef Cichlid: Semi-Aggressive

Oscar & Tambraparni Barb

Astronotus ocellatus · Puntius tambraparniei

Possible with Caution
Oscar: AggressiveTambraparni Barb: Mostly Peaceful

Oscar & Tami River Rainbowfish

Astronotus ocellatus · Glossolepis pseudoincisus

Possible with Caution
Oscar: AggressiveTami River Rainbowfish: Peaceful

Oscar & Tandanus Catfish

Astronotus ocellatus · Tandanus tandanus

Possible with Caution
Oscar: AggressiveTandanus Catfish: Mostly Peaceful

Oscar & Tanganyikan Clown Cichlid (Eretmodus)

Astronotus ocellatus · Eretmodus cyanostictus

Not Recommended
Oscar: AggressiveTanganyikan Clown Cichlid (Eretmodus): Aggressive

Oscar & Teacup Stingray (Common Freshwater Ray)

Astronotus ocellatus · Potamotrygon laticeps

Possible with Caution
Oscar: AggressiveTeacup Stingray (Common Freshwater Ray): Semi-Aggressive

Oscar & Telmatochromis brichardi

Astronotus ocellatus · Telmatochromis brichardi

Not Recommended
Oscar: AggressiveTelmatochromis brichardi: Semi-Aggressive

Oscar & Telmatochromis dhonti

Astronotus ocellatus · Telmatochromis dhonti

Not Recommended
Oscar: AggressiveTelmatochromis dhonti: Aggressive

Oscar & Tequila Splitfin

Astronotus ocellatus · Zoogoneticus tequila

Possible with Caution
Oscar: AggressiveTequila Splitfin: Semi-Aggressive

Oscar & Teugelsi Bichir

Astronotus ocellatus · Polypterus teugelsi

Possible with Caution
Oscar: AggressiveTeugelsi Bichir: Semi-Aggressive

Oscar & Texas Cichlid

Astronotus ocellatus · Herichthys cyanoguttatus

Possible with Caution
Oscar: AggressiveTexas Cichlid: Aggressive

Oscar & Thai Micro Crab

Astronotus ocellatus · Limnopilos naiyanetri

Not Recommended
Oscar: AggressiveThai Micro Crab: Peaceful

Oscar & Thinbar Datnoid

Astronotus ocellatus · Datnioides undecimradiatus

Possible with Caution
Oscar: AggressiveThinbar Datnoid: Semi-Aggressive

Oscar & Threadfin Acara

Astronotus ocellatus · Acarichthys heckelii

Possible with Caution
Oscar: AggressiveThreadfin Acara: Mostly Peaceful

Oscar & Threadfin Rainbowfish

Astronotus ocellatus · Iriatherina werneri

Not Recommended
Oscar: AggressiveThreadfin Rainbowfish: Peaceful

Oscar & Three Spot Gourami (Blue/Gold/Opaline)

Astronotus ocellatus · Trichopodus trichopterus

Possible with Caution
Oscar: AggressiveThree Spot Gourami (Blue/Gold/Opaline): Semi-Aggressive

Oscar & Three-Spot Torpedo Hap

Astronotus ocellatus · Exochochromis anagenys

Possible with Caution
Oscar: AggressiveThree-Spot Torpedo Hap: Semi-Aggressive

Oscar & Three-striped Dwarf Cichlid

Astronotus ocellatus · Apistogramma trifasciata

Possible with Caution
Oscar: AggressiveThree-striped Dwarf Cichlid: Mostly Peaceful

Oscar & Tiger Barb

Astronotus ocellatus · Puntigrus tetrazona

Possible with Caution
Oscar: AggressiveTiger Barb: Semi-Aggressive

Oscar & Tiger Danio

Astronotus ocellatus · Devario maetaengensis

Possible with Caution
Oscar: AggressiveTiger Danio: Peaceful

Oscar & Tiger Loach

Astronotus ocellatus · Syncrossus hymenophysa

Possible with Caution
Oscar: AggressiveTiger Loach: Aggressive

Oscar & Tiger Muskie

Astronotus ocellatus · Esox masquinongy x lucius

Possible with Caution
Oscar: AggressiveTiger Muskie: Highly Aggressive

Oscar & Tiger Pleco (L002)

Astronotus ocellatus · Panaqolus sp. L002

Possible with Caution
Oscar: AggressiveTiger Pleco (L002): Mostly Peaceful