Can cherry barbs live with chili rasboras?

Verdict
Yes

Yes. Cherry barbs and chili rasboras get along in the same tank. Both are fine at 75–81°F. Plan on at least 20 gal.

Cherry barbCherry barb73–81°F · pH 6–7.5 Chili rasboraChili rasbora75–82°F · pH 4–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Cherry barb 73–81°Chili rasbora 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7Cherry barb 6–7.5Chili rasbora 4–7
The green band is the pH both tolerate.

Size to scale

Cherry barb · 2 inChili rasbora · 0.8 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 barbChili rasbora
Temperature73–81 °F75–82 °F
pH6–7.54–7
Adult size2.0 in0.8 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 8+
DietOmnivoreCarnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can cherry barbs live with chili rasboras?

Yes. Cherry barbs and chili rasboras get along in the same tank. Both are fine at 75–81°F. Plan on at least 20 gal.

What temperature suits both cherry barbs and chili rasboras?

75–81 °F. Cherry barbs need 73–81 °F, chili rasboras need 75–82 °F.

What size tank do cherry barbs and chili rasboras need together?

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