Can blue gouramis live with kissing gouramis?

Verdict
Yes

Yes, blue gouramis and kissing gouramis can live together. Both are fine at 72–82°F. Plan on at least 55 gal.

Why it works

Water side by side

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

Size to scale

Blue gourami · 5 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

Blue gouramiKissing gourami
Temperature72–82 °F72–82 °F
pH6–86–8
Adult size5.0 in10.0 in
Minimum tank30 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can blue gouramis live with kissing gouramis?

Yes, blue gouramis and kissing gouramis can live together. Both are fine at 72–82°F. Plan on at least 55 gal.

What temperature suits both blue gouramis and kissing gouramis?

72–82 °F. Blue gouramis need 72–82 °F, kissing gouramis need 72–82 °F.

What size tank do blue gouramis and kissing gouramis need together?

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