Can pearl gouramis live with electric blue acaras?

Verdict
Yes

Yes. Pearl gouramis and electric blue acaras get along in the same tank. Both are fine at 77–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Pearl gourami 77–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Pearl gourami 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Pearl 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

Pearl gouramiElectric blue acara
Temperature77–82 °F72–82 °F
pH6–7.56.5–7.5
Adult size5.0 in6.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can pearl gouramis live with electric blue acaras?

Yes. Pearl gouramis and electric blue acaras get along in the same tank. Both are fine at 77–82°F. Plan on at least 30 gal.

What temperature suits both pearl gouramis and electric blue acaras?

77–82 °F. Pearl gouramis need 77–82 °F, electric blue acaras need 72–82 °F.

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

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