Can fancy goldfish live with kissing gouramis?

Verdict
No

No. Fancy goldfish and kissing gouramis should not share a tank. Fancy goldfish are coldwater animals (65–74°F); kissing gouramis need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

Fancy goldfishFancy goldfish65–74°F · pH 7–8 Kissing gouramiKissing gourami72–82°F · pH 6–8

What to watch

What works

Water side by side

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

Size to scale

Fancy goldfish · 6 inKissing gourami · 10 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

Fancy goldfishKissing gourami
Temperature65–74 °F72–82 °F
pH7–86–8
Adult size6.0 in10.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can fancy goldfish live with kissing gouramis?

No. Fancy goldfish and kissing gouramis should not share a tank. Fancy goldfish are coldwater animals (65–74°F); kissing gouramis need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both fancy goldfish and kissing gouramis?

72–74 °F. Fancy goldfish need 65–74 °F, kissing gouramis need 72–82 °F.

What size tank do fancy goldfish and kissing gouramis need together?

At least 55 gal, set by the kissing gourami. Add space for each extra fish.