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

Stocking calculator

Compatible on paper, but will Oscar fit your setup?

Tank mates can still go wrong if the tank is too small, already full, or the water is a poor match. Add Oscar to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Oscar

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Showing 1 - 24 of 735 Tank Mates

Oscar & Kabia rainbowfish

Astronotus ocellatus · Glossolepis kabia

Possible with Caution

Oscar: Aggressive Kabia rainbowfish: Peaceful

Oscar & Abei Puffer

Astronotus ocellatus · Pao abei

Possible with Caution

Oscar: AggressiveAbei Puffer: Highly Aggressive

Oscar & Achara Catfish

Astronotus ocellatus · Leiarius marmoratus

Possible with Caution

Oscar: AggressiveAchara Catfish: Semi-Aggressive

Oscar & Adolfo Cory

Astronotus ocellatus · Corydoras adolfoi

Possible with Caution

Oscar: AggressiveAdolfo Cory: Peaceful

Oscar & Adonis Pleco

Astronotus ocellatus · Acanthicus adonis

Possible with Caution

Oscar: AggressiveAdonis Pleco: Aggressive

Oscar & Aequidens Jenaro Herrera

Astronotus ocellatus · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Oscar: AggressiveAequidens Jenaro Herrera: Semi-Aggressive

Oscar & Aequidens diadema (Diadem Cichlid)

Astronotus ocellatus · Aequidens diadema

Possible with Caution

Oscar: AggressiveAequidens diadema (Diadem Cichlid): Semi-Aggressive

Oscar & Aequidens sp. Atabapo

Astronotus ocellatus · Aequidens sp. Atabapo

Possible with Caution

Oscar: AggressiveAequidens sp. Atabapo: Semi-Aggressive

Oscar & Afra Cichlid

Astronotus ocellatus · Cynotilapia afra

Oscar & African Arowana

Astronotus ocellatus · Heterotis niloticus

Possible with Caution

Oscar: AggressiveAfrican Arowana: Mostly Peaceful

Oscar & African Butterfly Cichlid

Astronotus ocellatus · Anomalochromis thomasi

Possible with Caution

Oscar: AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

Oscar & African Butterfly Fish

Astronotus ocellatus · Pantodon buchholzi

Possible with Caution

Oscar: AggressiveAfrican Butterfly Fish: Semi-Aggressive

Oscar & African Clawed Frog

Astronotus ocellatus · Xenopus laevis

Possible with Caution

Oscar: AggressiveAfrican Clawed Frog: Aggressive

Oscar & African Dwarf Frog

Astronotus ocellatus · Hymenochirus boettgeri

Oscar & African Jewel Cichlid

Astronotus ocellatus · Hemichromis bimaculatus

Possible with Caution

Oscar: AggressiveAfrican Jewel Cichlid: Aggressive

Oscar & African Knifefish

Astronotus ocellatus · Xenomystus nigri

Possible with Caution

Oscar: AggressiveAfrican Knifefish: Semi-Aggressive

Oscar & African Lungfish

Astronotus ocellatus · Protopterus annectens

Possible with Caution

Oscar: AggressiveAfrican Lungfish: Highly Aggressive

Oscar & African Pike

Astronotus ocellatus · Hepsetus odoe

Possible with Caution

Oscar: AggressiveAfrican Pike: Aggressive

Oscar & African Pipefish

Astronotus ocellatus · Enneacampus ansorgii

Possible with Caution

Oscar: AggressiveAfrican Pipefish: Peaceful

Oscar & Agassiz Cory

Astronotus ocellatus · Corydoras agassizii

Possible with Caution

Oscar: AggressiveAgassiz Cory: Peaceful

Oscar & Agassiz's Dwarf Cichlid

Astronotus ocellatus · Apistogramma agassizii

Possible with Caution

Oscar: AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

Oscar & Ajamaru Rainbowfish

Astronotus ocellatus · Melanotaenia ajamaruensis

Possible with Caution

Oscar: AggressiveAjamaru Rainbowfish: Peaceful

Oscar & Allen's Rainbowfish

Astronotus ocellatus · Chilatherina alleni

Possible with Caution

Oscar: AggressiveAllen's Rainbowfish: Peaceful

Oscar & Alligator Gar

Astronotus ocellatus · Atractosteus spatula

Possible with Caution

Oscar: AggressiveAlligator Gar: Aggressive