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 193 - 216 of 735 Tank Mates

Oscar & Cockatoo Dwarf Cichlid

Astronotus ocellatus · Apistogramma cacatuoides

Possible with Caution

Oscar: AggressiveCockatoo Dwarf Cichlid: Semi-Aggressive

Oscar & Colombian Shark Catfish (Brackish)

Astronotus ocellatus · Ariopsis seemanni

Oscar & Colombian Tetra

Astronotus ocellatus · Hyphessobrycon columbianus

Possible with Caution

Oscar: AggressiveColombian Tetra: Mostly Peaceful

Oscar & Common Pleco

Astronotus ocellatus · Hypostomus plecostomus

Possible with Caution

Oscar: AggressiveCommon Pleco: Mostly Peaceful

Oscar & Common Pleco (Amazon Sailfin)

Astronotus ocellatus · Pterygoplichthys pardalis

Possible with Caution

Oscar: AggressiveCommon Pleco (Amazon Sailfin): Mostly Peaceful

Oscar & Common Synodontis (False Upside Down Catfish)

Astronotus ocellatus · Synodontis nigrita

Possible with Caution

Oscar: AggressiveCommon Synodontis (False Upside Down Catfish): Mostly Peaceful

Oscar & Common Whiptail Catfish

Astronotus ocellatus · Rineloricaria eigenmanni

Possible with Caution

Oscar: AggressiveCommon Whiptail Catfish: Peaceful

Oscar & Congo Bichir

Astronotus ocellatus · Polypterus endlicheri congicus

Possible with Caution

Oscar: AggressiveCongo Bichir: Aggressive

Oscar & Congo Puffer (Potato Puffer)

Astronotus ocellatus · Tetraodon miurus

Possible with Caution

Oscar: AggressiveCongo Puffer (Potato Puffer): Highly Aggressive

Oscar & Congo Tetra

Astronotus ocellatus · Phenacogrammus interruptus

Possible with Caution

Oscar: AggressiveCongo Tetra: Peaceful

Oscar & Contradens Pleco (Snowball Variant)

Astronotus ocellatus · Hypancistrus contradens

Possible with Caution

Oscar: AggressiveContradens Pleco (Snowball Variant): Mostly Peaceful

Oscar & Convict Cichlid

Astronotus ocellatus · Amatitlania nigrofasciata

Possible with Caution

Oscar: AggressiveConvict Cichlid: Aggressive

Oscar & Copper Harlequin Rasbora

Astronotus ocellatus · Trigonostigma hengeli

Oscar & Corona Rainbowfish

Astronotus ocellatus · Melanotaenia corona

Possible with Caution

Oscar: AggressiveCorona Rainbowfish: Peaceful

Oscar & Crimsonspotted Rainbowfish

Astronotus ocellatus · Melanotaenia duboulayi

Possible with Caution

Oscar: AggressiveCrimsonspotted Rainbowfish: Peaceful

Oscar & Crying Whiptail

Astronotus ocellatus · Loricaria sp. "Rio Atabapo"

Possible with Caution

Oscar: AggressiveCrying Whiptail: Peaceful

Oscar & Cuban Cichlid

Astronotus ocellatus · Nandopsis tetracanthus

Possible with Caution

Oscar: AggressiveCuban Cichlid: Aggressive

Oscar & Cuban Gar

Astronotus ocellatus · Atractosteus tristoechus

Possible with Caution

Oscar: AggressiveCuban Gar: Semi-Aggressive

Oscar & Cuckoo Catfish

Astronotus ocellatus · Synodontis multipunctatus

Possible with Caution

Oscar: AggressiveCuckoo Catfish: Semi-Aggressive

Oscar & Cupid Cichlid

Astronotus ocellatus · Biotodoma cupido

Possible with Caution

Oscar: AggressiveCupid Cichlid: Mostly Peaceful

Oscar & Cutteri Cichlid

Astronotus ocellatus · Amatitlania cutteri

Possible with Caution

Oscar: AggressiveCutteri Cichlid: Aggressive

Oscar & Cyprichromis Leptosoma

Astronotus ocellatus · Cyprichromis leptosoma

Oscar & Dainty Cory (Salt and Pepper Cory)

Astronotus ocellatus · Corydoras habrosus

Oscar & Debauwi Catfish (Three-Striped Glass Catfish)

Astronotus ocellatus · Pareutropius buffei

Possible with Caution

Oscar: AggressiveDebauwi Catfish (Three-Striped Glass Catfish): Peaceful