Can corydoras live with gold barbs?

Verdict
Yes

Yes. Corydoras and gold barbs get along in the same tank. Both are fine at 72–75°F. Plan on at least 20 gal.

CorydorasCorydoras72–79°F · pH 6–7.8 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°Corydoras 72–79°Gold barb 64–75°
The green band is the temperature range both can live in.
456789Both: 6–7.8Corydoras 6–7.8Gold barb 6–8
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 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

CorydorasGold barb
Temperature72–79 °F64–75 °F
pH6–7.86–8
Adult size2.5 in3.0 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for gold barbs

All gold barb tank mates

Questions

Can corydoras live with gold barbs?

Yes. Corydoras and gold barbs get along in the same tank. Both are fine at 72–75°F. Plan on at least 20 gal.

What temperature suits both corydoras and gold barbs?

72–75 °F. Corydoras need 72–79 °F, gold barbs need 64–75 °F.

What size tank do corydoras and gold barbs need together?

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