Can arowanas live with kissing gouramis?

Verdict

No. Arowanas and kissing gouramis should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 10 inches kissing gouramis do.

Silver arowana75–86°F · pH 6–7

Kissing gourami72–82°F · pH 6–8

What to watch

Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 10 inches kissing gouramis do.
Deal breakerArowanas are aggressive and much bigger than kissing gouramis.
Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for kissing gouramis.

What works

Both are fine at 75–82°F.
pH 6–7 suits both.
They use different parts of the tank: arowanas the top, kissing gouramis 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

	Silver arowana	Kissing gourami
Temperature	75–86 °F	72–82 °F
pH	6–7	6–8
Adult size	36.0 in	10.0 in
Minimum tank	250 gal	55 gal
Temperament	Aggressive	Semi-aggressive
Swims at	Top	Middle
Group	One per tank	Alone or in pairs
Diet	Carnivore	Omnivore

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can arowanas live with kissing gouramis?

No. Arowanas and kissing gouramis should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 10 inches kissing gouramis do.

What temperature suits both arowanas and kissing gouramis?

75–82 °F. Arowanas need 75–86 °F, kissing gouramis need 72–82 °F.

What size tank do arowanas and kissing gouramis need together?

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