Can angelfish live with flowerhorns?

Verdict

No. Angelfish and flowerhorns should not share a tank. An adult flowerhorn is twice the size of an angelfish and will hunt or batter a slow, long-finned fish like this.

Angelfish76–84°F · pH 6–7.5

Flowerhorn80–89°F · pH 7–8

What to watch

Deal breakerAn adult flowerhorn is twice the size of an angelfish and will hunt or batter a slow, long-finned fish like this.
Deal breakerFlowerhorns are aggressive, and slow, long-finned angelfish cannot escape them.

What works

Both are fine at 80–84°F.
pH 7–7.5 suits both.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

	Angelfish	Flowerhorn
Temperature	76–84 °F	80–89 °F
pH	6–7.5	7–8
Adult size	6.0 in	12.0 in
Minimum tank	30 gal	75 gal
Temperament	Semi-aggressive	Aggressive
Swims at	Middle	Middle
Group	Alone or in pairs	One per tank
Diet	Omnivore	Carnivore

Better tank mates for angelfish

All angelfish tank mates

Questions

Can angelfish live with flowerhorns?

No. Angelfish and flowerhorns should not share a tank. An adult flowerhorn is twice the size of an angelfish and will hunt or batter a slow, long-finned fish like this.

What temperature suits both angelfish and flowerhorns?

80–84 °F. Angelfish need 76–84 °F, flowerhorns need 80–89 °F.

What size tank do angelfish and flowerhorns need together?

At least 75 gal, set by the flowerhorn. Add space for each extra fish.