AngelfishVSOscar Fish

Can they live together? Complete Compatibility Analysis

Compatibility Score

🚫 Do Not Mix

Severe incompatibility in temperament and size. Oscars are large, highly aggressive, and predatory cichlids that will view Angelfish as food. Angelfish are semi-aggressive but are slow-moving, tall-bodied fish that are easily stressed and targeted by Oscars.

Potential Issues

•Oscars will almost certainly attack, kill, and eat Angelfish, especially as they grow.
•Even if the Oscar is well-fed, its territorial nature will cause constant stress and harassment of the Angelfish, leading to injury or death.
•The massive bioload of an Oscar requires a very large tank, making the space even more contested.

Tank Requirements

Temperature

75-82°F (Overlap exists)

pH Level

6.0-7.5 (Overlap exists)

Minimum Tank Size

125+ gallons (for a single adult Oscar alone; adding Angelfish is not recommended at any size)

About Angelfish and Oscar Fish

When considering adding Oscar Fish to a tank with Angelfish, it's crucial to understand their specific needs. Severe incompatibility in temperament and size. Oscars are large, highly aggressive, and predatory cichlids that will view Angelfish as food. Angelfish are semi-aggressive but are slow-moving, tall-bodied fish that are easily stressed and targeted by Oscars.

Key Differences

Angelfish: Requires 20 gallons minimum. Usually prefers tropical water conditions.
Oscar Fish: Requires 55 gallons minimum. Usually prefers tropical water conditions.

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