Can black skirt tetras live with gold barbs?

Verdict
Yes

Yes, black skirt tetras and gold barbs can live together. Both are fine at 70–75°F. Plan on at least 20 gal.

Black skirt tetraBlack skirt tetra70–80°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: 70–75°Black skirt tetra 70–80°Gold barb 64–75°
The green band is the temperature range both can live in.
456789Both: 6–7.5Black skirt tetra 6–7.5Gold barb 6–8
The green band is the pH both tolerate.

Size to scale

Black skirt tetra · 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

Black skirt tetraGold barb
Temperature70–80 °F64–75 °F
pH6–7.56–8
Adult size2.5 in3.0 in
Minimum tank15 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Better tank mates for gold barbs

All gold barb tank mates

Questions

Can black skirt tetras live with gold barbs?

Yes, black skirt tetras and gold barbs can live together. Both are fine at 70–75°F. Plan on at least 20 gal.

What temperature suits both black skirt tetras and gold barbs?

70–75 °F. Black skirt tetras need 70–80 °F, gold barbs need 64–75 °F.

What size tank do black skirt tetras and gold barbs need together?

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