Can dojo loaches live with tinfoil barbs?

Verdict
Yes

Yes, dojo loaches and tinfoil barbs can live together. Both are fine at 72–77°F. Plan on at least 125 gal.

Dojo loachDojo loach59–77°F · pH 6.5–8 Tinfoil barbTinfoil barb72–80°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Dojo loach 59–77°Tinfoil barb 72–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Dojo loach 6.5–8Tinfoil barb 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Dojo loach · 6 inTinfoil barb · 12 in0"2"4"6"8"10"12"
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

Dojo loachTinfoil barb
Temperature59–77 °F72–80 °F
pH6.5–86.5–7.5
Adult size6.0 in12.0 in
Minimum tank55 gal125 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for dojo loaches

All dojo loach tank mates

Better tank mates for tinfoil barbs

All tinfoil barb tank mates

Questions

Can dojo loaches live with tinfoil barbs?

Yes, dojo loaches and tinfoil barbs can live together. Both are fine at 72–77°F. Plan on at least 125 gal.

What temperature suits both dojo loaches and tinfoil barbs?

72–77 °F. Dojo loaches need 59–77 °F, tinfoil barbs need 72–80 °F.

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

At least 125 gal, set by the tinfoil barb. Add space for each extra fish.