Can tiger barbs live with pygmy corys?

Verdict
Yes

Yes. Tiger barbs and pygmy corys get along in the same tank. Both are fine at 72–79°F. Plan on at least 30 gal.

Tiger barbTiger barb72–81°F · pH 6–7.5 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Tiger barb · 3 inPygmy cory · 1 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 barbPygmy cory
Temperature72–81 °F72–79 °F
pH6–7.56–7.5
Adult size3.0 in1.0 in
Minimum tank30 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can tiger barbs live with pygmy corys?

Yes. Tiger barbs and pygmy corys get along in the same tank. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both tiger barbs and pygmy corys?

72–79 °F. Tiger barbs need 72–81 °F, pygmy corys need 72–79 °F.

What size tank do tiger barbs and pygmy corys need together?

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