Can sparkling gouramis live with gold barbs?

Verdict
Yes

Yes. Sparkling gouramis and gold barbs make a good pair. Both are fine at 72–75°F. Plan on at least 20 gal.

Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5 Gold barbGold barb64–75°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–75°Sparkling gourami 72–82°Gold barb 64–75°
The green band is the temperature range both can live in.
456789Both: 6–7.5Sparkling gourami 6–7.5Gold barb 6–8
The green band is the pH both tolerate.

Size to scale

Sparkling gourami · 1.5 inGold barb · 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

Sparkling gouramiGold barb
Temperature72–82 °F64–75 °F
pH6–7.56–8
Adult size1.5 in3.0 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupGroups of 4+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for gold barbs

All gold barb tank mates

Questions

Can sparkling gouramis live with gold barbs?

Yes. Sparkling gouramis and gold barbs make a good pair. Both are fine at 72–75°F. Plan on at least 20 gal.

What temperature suits both sparkling gouramis and gold barbs?

72–75 °F. Sparkling gouramis need 72–82 °F, gold barbs need 64–75 °F.

What size tank do sparkling gouramis and gold barbs need together?

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