Can sparkling gouramis live with flowerhorns?

Verdict

No. Sparkling gouramis and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 1.5 inches sparkling gouramis do.

Sparkling gourami72–82°F · pH 6–7.5

Flowerhorn80–89°F · pH 7–8

What to watch

Deal breakerAn adult flowerhorn eats fish that fit in its mouth, and at 1.5 inches sparkling gouramis do.
Deal breakerFlowerhorns are aggressive and will bully peaceful sparkling gouramis.
Watch outFlowerhorns grow to 12 inches and need 75 gallons, far more than a tank set up for sparkling gouramis.

What works

Both are fine at 80–82°F.
pH 7–7.5 suits both.
They use different parts of the tank: sparkling gouramis the top, flowerhorns the mid.

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

	Sparkling gourami	Flowerhorn
Temperature	72–82 °F	80–89 °F
pH	6–7.5	7–8
Adult size	1.5 in	12.0 in
Minimum tank	5 gal	75 gal
Temperament	Peaceful	Aggressive
Swims at	Top	Middle
Group	Groups of 4+	One per tank
Diet	Omnivore	Carnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Questions

Can sparkling gouramis live with flowerhorns?

No. Sparkling gouramis and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 1.5 inches sparkling gouramis do.

What temperature suits both sparkling gouramis and flowerhorns?

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

What size tank do sparkling gouramis and flowerhorns need together?

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