Can cherry barbs live with dojo loaches?

Verdict
Yes

Yes. Cherry barbs and dojo loaches get along in the same tank. Both are fine at 73–77°F. Plan on at least 55 gal.

Cherry barbCherry barb73–81°F · pH 6–7.5 Dojo loachDojo loach59–77°F · pH 6.5–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–77°Cherry barb 73–81°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Cherry barb 6–7.5Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Cherry barb · 2 inDojo loach · 6 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 barbDojo loach
Temperature73–81 °F59–77 °F
pH6–7.56.5–8
Adult size2.0 in6.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can cherry barbs live with dojo loaches?

Yes. Cherry barbs and dojo loaches get along in the same tank. Both are fine at 73–77°F. Plan on at least 55 gal.

What temperature suits both cherry barbs and dojo loaches?

73–77 °F. Cherry barbs need 73–81 °F, dojo loaches need 59–77 °F.

What size tank do cherry barbs and dojo loaches need together?

At least 55 gal, set by the dojo loach. Add space for each extra fish.