Can blue gouramis live with dojo loaches?

Verdict
Yes

Yes, blue gouramis and dojo loaches can live together. Both are fine at 72–77°F. Plan on at least 55 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 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: 72–77°Blue gourami 72–82°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–8Blue gourami 6–8Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Blue gourami · 5 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

Blue gouramiDojo loach
Temperature72–82 °F59–77 °F
pH6–86.5–8
Adult size5.0 in6.0 in
Minimum tank30 gal55 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can blue gouramis live with dojo loaches?

Yes, blue gouramis and dojo loaches can live together. Both are fine at 72–77°F. Plan on at least 55 gal.

What temperature suits both blue gouramis and dojo loaches?

72–77 °F. Blue gouramis need 72–82 °F, dojo loaches need 59–77 °F.

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

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