Can neon tetras live with tiger barbs?

Verdict
Yes

Yes. Neon tetras and tiger barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

Neon tetraNeon tetra72–79°F · pH 6–7 Tiger barbTiger barb72–81°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Neon tetra 72–79°Tiger barb 72–81°
The green band is the temperature range both can live in.
456789Both: 6–7Neon tetra 6–7Tiger barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 inTiger 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

Neon tetraTiger barb
Temperature72–79 °F72–81 °F
pH6–76–7.5
Adult size1.5 in3.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for tiger barbs

All tiger barb tank mates

Questions

Can neon tetras live with tiger barbs?

Yes. Neon tetras and tiger barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both neon tetras and tiger barbs?

72–79 °F. Neon tetras need 72–79 °F, tiger barbs need 72–81 °F.

What size tank do neon tetras and tiger barbs need together?

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