Can cherry barbs live with blue gouramis?

Verdict
Yes

Yes, cherry barbs and blue gouramis can live together. Both are fine at 73–81°F. Plan on at least 30 gal.

Cherry barbCherry barb73–81°F · pH 6–7.5 Blue gouramiBlue gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–81°Cherry barb 73–81°Blue gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Cherry barb 6–7.5Blue gourami 6–8
The green band is the pH both tolerate.

Size to scale

Cherry barb · 2 inBlue gourami · 5 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

Cherry barbBlue gourami
Temperature73–81 °F72–82 °F
pH6–7.56–8
Adult size2.0 in5.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can cherry barbs live with blue gouramis?

Yes, cherry barbs and blue gouramis can live together. Both are fine at 73–81°F. Plan on at least 30 gal.

What temperature suits both cherry barbs and blue gouramis?

73–81 °F. Cherry barbs need 73–81 °F, blue gouramis need 72–82 °F.

What size tank do cherry barbs and blue gouramis need together?

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