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Tank Size: Oscars are large and need a spacious tank. A 75-gallon tank or larger is recommended for a single adult Oscar.
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Water Parameters: Maintain stable water conditions with a temperature of 74-81°F (23-27°C), a pH level of 6.5-7.5, and soft to moderately hard water. Provide strong filtration as Oscars are messy fish.
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Decor: Use robust decor, such as large rocks and driftwood, as Oscars are known to rearrange their environment. Provide hiding spots, but choose sturdy materials.
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Tank Mates: Oscars can be aggressive and territorial. Keep them with other large, robust fish with similar water requirements. Avoid keeping them with smaller or timid species.
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Diet: Oscars are carnivores and accept a diet of high-quality pellets, live or frozen foods like feeder fish, shrimp, and worms. Provide a varied diet to keep them healthy.
