Can dojo loaches live with dwarf gouramis?

Verdict
Yes

Yes. Dojo loaches and dwarf gouramis get along in the same tank. Both are fine at 72–77°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Dojo loach 59–77°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Dojo loach 6.5–8Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Dojo loach · 6 inDwarf gourami · 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

Dojo loachDwarf gourami
Temperature59–77 °F72–82 °F
pH6.5–86–7.5
Adult size6.0 in3.0 in
Minimum tank55 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for dojo loaches

All dojo loach tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can dojo loaches live with dwarf gouramis?

Yes. Dojo loaches and dwarf gouramis get along in the same tank. Both are fine at 72–77°F. Plan on at least 55 gal.

What temperature suits both dojo loaches and dwarf gouramis?

72–77 °F. Dojo loaches need 59–77 °F, dwarf gouramis need 72–82 °F.

What size tank do dojo loaches and dwarf gouramis need together?

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