Can sparkling gouramis live with arowanas?

Verdict

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

Sparkling gourami72–82°F · pH 6–7.5

Silver arowana75–86°F · pH 6–7

What to watch

Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 1.5 inches sparkling gouramis do.
Deal breakerArowanas are aggressive and will bully peaceful sparkling gouramis.
Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for sparkling gouramis.

What works

Both are fine at 75–82°F.
pH 6–7 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

	Sparkling gourami	Silver arowana
Temperature	72–82 °F	75–86 °F
pH	6–7.5	6–7
Adult size	1.5 in	36.0 in
Minimum tank	5 gal	250 gal
Temperament	Peaceful	Aggressive
Swims at	Top	Top
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 arowanas?

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

What temperature suits both sparkling gouramis and arowanas?

75–82 °F. Sparkling gouramis need 72–82 °F, arowanas need 75–86 °F.

What size tank do sparkling gouramis and arowanas need together?

At least 250 gal, set by the silver arowana. Add space for each extra fish.