Can honey gouramis live with flowerhorns?

Verdict
No

No. Honey gouramis and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 2 inches honey gouramis do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–82°Honey gourami 72–82°Flowerhorn 80–89°
The green band is the temperature range both can live in.
456789Both: 7–7.5Honey gourami 6–7.5Flowerhorn 7–8
The green band is the pH both tolerate.

Size to scale

Honey gourami · 2 inFlowerhorn · 12 in0"2"4"6"8"10"12"
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

Honey gouramiFlowerhorn
Temperature72–82 °F80–89 °F
pH6–7.57–8
Adult size2.0 in12.0 in
Minimum tank10 gal75 gal
TemperamentPeacefulAggressive
Swims atTopMiddle
GroupAlone or in pairsOne per tank
DietOmnivoreCarnivore

Better tank mates for honey gouramis

All honey gourami tank mates

Questions

Can honey gouramis live with flowerhorns?

No. Honey gouramis and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 2 inches honey gouramis do.

What temperature suits both honey gouramis and flowerhorns?

80–82 °F. Honey gouramis need 72–82 °F, flowerhorns need 80–89 °F.

What size tank do honey gouramis and flowerhorns need together?

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