Can blue gouramis live with electric blue acaras?

Verdict
Yes

Yes. Blue gouramis and electric blue acaras get along in the same tank. Both are fine at 72–82°F. Plan on at least 30 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5

Why it works

Water side by side

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

Size to scale

Blue gourami · 5 inElectric blue acara · 6 in0"1"2"3"4"5"6"
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 gouramiElectric blue acara
Temperature72–82 °F72–82 °F
pH6–86.5–7.5
Adult size5.0 in6.0 in
Minimum tank30 gal30 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 electric blue acaras

All electric blue acara tank mates

Questions

Can blue gouramis live with electric blue acaras?

Yes. Blue gouramis and electric blue acaras get along in the same tank. Both are fine at 72–82°F. Plan on at least 30 gal.

What temperature suits both blue gouramis and electric blue acaras?

72–82 °F. Blue gouramis need 72–82 °F, electric blue acaras need 72–82 °F.

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

At least 30 gal, set by the blue gourami. Add space for each extra fish.