Can electric blue acaras live with kissing gouramis?

Verdict
Yes

Yes. Electric blue acaras and kissing gouramis make a good pair. Both are fine at 72–82°F. Plan on at least 55 gal.

Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5 Kissing gouramiKissing gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Electric blue acara 72–82°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Electric blue acara 6.5–7.5Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Electric blue acara · 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

Electric blue acaraKissing gourami
Temperature72–82 °F72–82 °F
pH6.5–7.56–8
Adult size6.0 in10.0 in
Minimum tank30 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for electric blue acaras

All electric blue acara tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can electric blue acaras live with kissing gouramis?

Yes. Electric blue acaras and kissing gouramis make a good pair. Both are fine at 72–82°F. Plan on at least 55 gal.

What temperature suits both electric blue acaras and kissing gouramis?

72–82 °F. Electric blue acaras need 72–82 °F, kissing gouramis need 72–82 °F.

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

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