Can arowanas live with dwarf gouramis?

Verdict
No

No. Arowanas and dwarf gouramis should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches dwarf gouramis do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Silver arowana 75–86°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Silver arowana 6–7Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Silver arowana · 36 inDwarf gourami · 3 in0"6"12"18"24"30"36"
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 arowanaDwarf gourami
Temperature75–86 °F72–82 °F
pH6–76–7.5
Adult size36.0 in3.0 in
Minimum tank250 gal10 gal
TemperamentAggressivePeaceful
Swims atTopTop
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can arowanas live with dwarf gouramis?

No. Arowanas and dwarf gouramis should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches dwarf gouramis do.

What temperature suits both arowanas and dwarf gouramis?

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

What size tank do arowanas and dwarf gouramis need together?

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