Can cherry barbs live with dwarf gouramis?

Verdict
Yes

Yes. Cherry barbs and dwarf gouramis make a good pair. Both are fine at 73–81°F. Plan on at least 20 gal.

Why it works

Water side by side

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

Size to scale

Cherry barb · 2 inDwarf gourami · 3 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 barbDwarf gourami
Temperature73–81 °F72–82 °F
pH6–7.56–7.5
Adult size2.0 in3.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
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 dwarf gouramis

All dwarf gourami tank mates

Questions

Can cherry barbs live with dwarf gouramis?

Yes. Cherry barbs and dwarf gouramis make a good pair. Both are fine at 73–81°F. Plan on at least 20 gal.

What temperature suits both cherry barbs and dwarf gouramis?

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

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

At least 20 gal, set by the cherry barb. Add space for each extra fish.