Can cherry barbs live with black skirt tetras?

Verdict
Yes

Yes. Cherry barbs and black skirt tetras get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

Cherry barbCherry barb73–81°F · pH 6–7.5 Black skirt tetraBlack skirt tetra70–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Cherry barb · 2 inBlack skirt tetra · 2.5 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 barbBlack skirt tetra
Temperature73–81 °F70–80 °F
pH6–7.56–7.5
Adult size2.0 in2.5 in
Minimum tank20 gal15 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Questions

Can cherry barbs live with black skirt tetras?

Yes. Cherry barbs and black skirt tetras get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

What temperature suits both cherry barbs and black skirt tetras?

73–80 °F. Cherry barbs need 73–81 °F, black skirt tetras need 70–80 °F.

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

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