Can goldfish live with dwarf gouramis?

Verdict
No

No. Goldfish and dwarf gouramis should not share a tank. Goldfish are coldwater animals (60–74°F); dwarf gouramis need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–74°Goldfish 60–74°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Goldfish 7–8Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Goldfish · 10 inDwarf gourami · 3 in0"2"4"6"8"10"
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

GoldfishDwarf gourami
Temperature60–74 °F72–82 °F
pH7–86–7.5
Adult size10.0 in3.0 in
Minimum tank40 gal10 gal
TemperamentPeacefulPeaceful
Swims atAll levelsTop
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can goldfish live with dwarf gouramis?

No. Goldfish and dwarf gouramis should not share a tank. Goldfish are coldwater animals (60–74°F); dwarf gouramis need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both goldfish and dwarf gouramis?

72–74 °F. Goldfish need 60–74 °F, dwarf gouramis need 72–82 °F.

What size tank do goldfish and dwarf gouramis need together?

At least 40 gal, set by the goldfish. Add space for each extra fish.