Oscar & Macaw Cichlid
Astronotus ocellatus · Hypsophrys nicaraguensis
Oscar: AggressiveMacaw Cichlid: Aggressive
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Oscar Tank Mates & Compatibility
Oscar
Astronotus ocellatus
TemperamentAggressive (7/10)
Adult Size30 cm
Temperature23–27°C
Water TypeFreshwater Only
Swim ZoneMid-level, Bottom
StockingSolo or group
Showing 409 - 432 of 735 Tank Mates
Possible with Caution
Oscar & Madagascar Rainbowfish
Astronotus ocellatus · Bedotia madagascariensis
Oscar: AggressiveMadagascar Rainbowfish: Peaceful
Oscar & Maingano Mbuna
Astronotus ocellatus · Pseudotropheus cyaneorhabdos
Oscar: AggressiveMaingano Mbuna: Aggressive
Oscar & Maison Reef Peacock
Astronotus ocellatus · Aulonocara stuartgranti "Maison Reef"
Oscar: AggressiveMaison Reef Peacock: Semi-Aggressive
Oscar & Malawi Eyebiter
Astronotus ocellatus · Dimidiochromis compressiceps
Oscar: AggressiveMalawi Eyebiter: Aggressive
Oscar & Malawi Gar
Astronotus ocellatus · Lichnochromis acuticeps
Oscar: AggressiveMalawi Gar: Semi-Aggressive
Oscar & Malawi Hawk
Astronotus ocellatus · Aristochromis christyi
Oscar: AggressiveMalawi Hawk: Aggressive
Oscar & Malaya Shrimp
Astronotus ocellatus · Caridina sp. "Malaya"
Oscar: AggressiveMalaya Shrimp: Peaceful
Oscar & Malaysian Trumpet Snail (MTS)
Astronotus ocellatus · Melanoides tuberculata
Oscar: AggressiveMalaysian Trumpet Snail (MTS): Peaceful
Oscar & Mamberamo Rainbowfish
Astronotus ocellatus · Melanotaenia mamberamo
Oscar: AggressiveMamberamo Rainbowfish: Peaceful
Oscar & Marble Goby
Astronotus ocellatus · Oxyeleotris marmorata
Oscar: AggressiveMarble Goby: Aggressive
Oscar & Marbled Bichir
Astronotus ocellatus · Polypterus polli
Oscar: AggressiveMarbled Bichir: Semi-Aggressive
Oscar & Marbled Hatchetfish
Astronotus ocellatus · Carnegiella strigata
Oscar: AggressiveMarbled Hatchetfish: Peaceful
Oscar & Marbled Whiptail
Astronotus ocellatus · Loricaria simillima
Oscar: AggressiveMarbled Whiptail: Peaceful
Oscar & Marlier's Julie
Astronotus ocellatus · Julidochromis marlieri
Oscar: AggressiveMarlier's Julie: Semi-Aggressive
Oscar & Masked Julie (Julidochromis)
Astronotus ocellatus · Julidochromis transcriptus
Oscar: AggressiveMasked Julie (Julidochromis): Semi-Aggressive
Oscar & Mayan Cichlid
Astronotus ocellatus · Mayaheros urophthalmus
Oscar: AggressiveMayan Cichlid: Aggressive
Oscar & Mayland's Rainbowfish
Astronotus ocellatus · Melanotaenia maylandi
Oscar: AggressiveMayland's Rainbowfish: Peaceful
Oscar & Mbu Puffer
Astronotus ocellatus · Tetraodon mbu
Oscar: AggressiveMbu Puffer: Aggressive
Oscar & Melon Barb
Astronotus ocellatus · Haludaria fasciata
Oscar: AggressiveMelon Barb: Mostly Peaceful
Oscar & Mexican Dwarf Crayfish (CPO)
Astronotus ocellatus · Cambarellus patzcuarensis
Oscar: AggressiveMexican Dwarf Crayfish (CPO): Mostly Peaceful
Oscar & Midas Cichlid
Astronotus ocellatus · Amphilophus citrinellus
Oscar: AggressiveMidas Cichlid: Highly Aggressive
Oscar & Midnight Catfish
Astronotus ocellatus · Auchenipterichthys coracoideus
Oscar: AggressiveMidnight Catfish: Mostly Peaceful
Oscar & Milomo Hap (Super VC10)
Astronotus ocellatus · Placidochromis milomo
Oscar: AggressiveMilomo Hap (Super VC10): Semi-Aggressive