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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 241 - 264 of 735 Tank Mates

Oscar & Dwarf Rasbora

Astronotus ocellatus · Boraras maculatus

Not Recommended
Oscar: AggressiveDwarf Rasbora: Peaceful

Oscar & Eastern Rainbowfish

Astronotus ocellatus · Melanotaenia splendida

Possible with Caution
Oscar: AggressiveEastern Rainbowfish: Peaceful

Oscar & Electric Blue Crayfish

Astronotus ocellatus · Procambarus alleni

Possible with Caution
Oscar: AggressiveElectric Blue Crayfish: Aggressive

Oscar & Electric Blue Hap

Astronotus ocellatus · Sciaenochromis fryeri

Not Recommended
Oscar: AggressiveElectric Blue Hap: Aggressive

Oscar & Electric Blue Johannii

Astronotus ocellatus · Pseudotropheus johannii

Not Recommended
Oscar: AggressiveElectric Blue Johannii: Aggressive

Oscar & Elongatus Cichlid (Pseudotropheus Elongatus)

Astronotus ocellatus · Chindongo elongatus

Possible with Caution
Oscar: AggressiveElongatus Cichlid (Pseudotropheus Elongatus): Aggressive

Oscar & Ember Tetra

Astronotus ocellatus · Hyphessobrycon amandae

Not Recommended
Oscar: AggressiveEmber Tetra: Peaceful

Oscar & Emerald Dwarf Danio

Astronotus ocellatus · Danio erythromicron

Not Recommended
Oscar: AggressiveEmerald Dwarf Danio: Peaceful

Oscar & Emerald Eye Rasbora

Astronotus ocellatus · Brevibora dorsiocellata

Not Recommended
Oscar: AggressiveEmerald Eye Rasbora: Peaceful

Oscar & Emerald Green Cory

Astronotus ocellatus · Corydoras splendens

Possible with Caution
Oscar: AggressiveEmerald Green Cory: Peaceful

Oscar & Emperor Snakehead

Astronotus ocellatus · Channa marulioides

Possible with Caution
Oscar: AggressiveEmperor Snakehead: Highly Aggressive

Oscar & Emperor Tetra

Astronotus ocellatus · Nematobrycon palmeri

Possible with Caution
Oscar: AggressiveEmperor Tetra: Peaceful

Oscar & Empire Gudgeon

Astronotus ocellatus · Hypseleotris compressa

Possible with Caution
Oscar: AggressiveEmpire Gudgeon: Mostly Peaceful

Oscar & Endler's Livebearer

Astronotus ocellatus · Poecilia wingei

Not Recommended
Oscar: AggressiveEndler's Livebearer: Peaceful

Oscar & Espei Rasbora (Lambchop Rasbora)

Astronotus ocellatus · Trigonostigma espei

Not Recommended
Oscar: AggressiveEspei Rasbora (Lambchop Rasbora): Peaceful

Oscar & Exquisite Rainbowfish

Astronotus ocellatus · Melanotaenia exquisita

Possible with Caution
Oscar: AggressiveExquisite Rainbowfish: Peaceful

Oscar & Fahaka Puffer

Astronotus ocellatus · Tetraodon lineatus

Possible with Caution
Oscar: AggressiveFahaka Puffer: Highly Aggressive

Oscar & Fairy Cichlid (Brichardi)

Astronotus ocellatus · Neolamprologus brichardi

Not Recommended
Oscar: AggressiveFairy Cichlid (Brichardi): Aggressive

Oscar & False Glass Catfish

Astronotus ocellatus · Kryptopterus macrocephalus

Possible with Caution
Oscar: AggressiveFalse Glass Catfish: Peaceful

Oscar & False Rummy-Nose Tetra

Astronotus ocellatus · Petitella georgiae

Possible with Caution
Oscar: AggressiveFalse Rummy-Nose Tetra: Peaceful

Oscar & False Siamese Algae Eater (Stonelapping Minnow)

Astronotus ocellatus · Garra cambodgiensis

Possible with Caution
Oscar: AggressiveFalse Siamese Algae Eater (Stonelapping Minnow): Semi-Aggressive

Oscar & Featherfin Cichlid

Astronotus ocellatus · Cyathopharynx furcifer

Not Recommended
Oscar: AggressiveFeatherfin Cichlid: Semi-Aggressive

Oscar & Featherfin Squeaker

Astronotus ocellatus · Synodontis eupterus

Possible with Caution
Oscar: AggressiveFeatherfin Squeaker: Semi-Aggressive

Oscar & Festivum

Astronotus ocellatus · Mesonauta festivus

Possible with Caution
Oscar: AggressiveFestivum: Mostly Peaceful