Oscar Care Guide
The Oscar (Astronotus ocellatus) is a advanced-level freshwater aquarium resident from Brazil, Peru, Colombia. It reaches about 13.8 inches and should be kept in tanks of at least 75 gallons.
Keep water near pH 6-7.5, temperature 73-82F, and hardness 3-14 dH. Feed omnivore, cichlid pellets, frozen food with 1-2 times daily.
Oscars need tank mates chosen around temperament, territory, and adult size. Provide line-of-sight breaks and avoid fish small enough to be swallowed.
See all tank mates for Oscar
