Can kuhli loaches live with honey gouramis?

Verdict
Yes

Yes. Kuhli loaches and honey gouramis get along in the same tank. Both are fine at 75–82°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Honey gouramiHoney gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Kuhli loach 75–86°Honey gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Honey gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inHoney gourami · 2 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

Kuhli loachHoney gourami
Temperature75–86 °F72–82 °F
pH5.5–76–7.5
Adult size3.5 in2.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for honey gouramis

All honey gourami tank mates

Questions

Can kuhli loaches live with honey gouramis?

Yes. Kuhli loaches and honey gouramis get along in the same tank. Both are fine at 75–82°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and honey gouramis?

75–82 °F. Kuhli loaches need 75–86 °F, honey gouramis need 72–82 °F.

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

At least 20 gal, set by the kuhli loach. Add space for each extra fish.