Can honey gouramis live with zebra loaches?

Verdict
Yes

Yes. Honey gouramis and zebra loaches get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Honey gourami 72–82°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Honey gourami 6–7.5Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Honey gourami · 2 inZebra loach · 3.5 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

Honey gouramiZebra loach
Temperature72–82 °F73–79 °F
pH6–7.56–7.5
Adult size2.0 in3.5 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupAlone or in pairsGroups of 5+
DietOmnivoreOmnivore

Better tank mates for honey gouramis

All honey gourami tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can honey gouramis live with zebra loaches?

Yes. Honey gouramis and zebra loaches get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

What temperature suits both honey gouramis and zebra loaches?

73–79 °F. Honey gouramis need 72–82 °F, zebra loaches need 73–79 °F.

What size tank do honey gouramis and zebra loaches need together?

At least 30 gal, set by the zebra loach. Add space for each extra fish.