Can tiger barbs live with black skirt tetras?

Verdict
Yes

Yes, tiger barbs and black skirt tetras can live together. Both are fine at 72–80°F. Plan on at least 30 gal.

Tiger barbTiger barb72–81°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: 72–80°Tiger barb 72–81°Black skirt tetra 70–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Tiger barb 6–7.5Black skirt tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Tiger barb · 3 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

Tiger barbBlack skirt tetra
Temperature72–81 °F70–80 °F
pH6–7.56–7.5
Adult size3.0 in2.5 in
Minimum tank30 gal15 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Questions

Can tiger barbs live with black skirt tetras?

Yes, tiger barbs and black skirt tetras can live together. Both are fine at 72–80°F. Plan on at least 30 gal.

What temperature suits both tiger barbs and black skirt tetras?

72–80 °F. Tiger barbs need 72–81 °F, black skirt tetras need 70–80 °F.

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

At least 30 gal, set by the tiger barb. Add space for each extra fish.