Can angelfish live with oscars?

❌ Not recommended No, it's not recommended
AngelfishOscar
Temperature75–86 °F (24–30 °C)68–82 °F (20–28 °C)
pH6–7.46–7.5
Adult size5.9 in (15 cm)13.8 in (35 cm)
TemperamentSemi-aggressiveAggressive
Swims inMiddleAll levels
Minimum tank55 gal180 gal

Shared temperature: 75–82 °F (24–28 °C) · Shared pH: 6–7.4

If you already have both

See all angelfish tank mates and oscar tank mates, or add more species in the checker.

Data: Seriously Fish, FishBase, Seriously Fish, FishBase. Last reviewed 2026-11-04.

FAQ

Can angelfish live with oscars?

No, it's not recommended. Oscar is aggressive and much larger than angelfish; it will bully or injure it. An adult oscar (up to 35 cm) may try to eat smaller angelfish (15 cm), especially at night.

What temperature for angelfish and oscars?

Angelfish: 75–86 °F (24–30 °C). Oscar: 68–82 °F (20–28 °C). Shared range: 75–82 °F (24–28 °C).

What size tank for angelfish and oscars?

At least 180 US gallons, more as you add fish.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.