Can kuhli loaches live with kissing gouramis?

Verdict
Yes

Yes, kuhli loaches and kissing gouramis can live together. Both are fine at 75–82°F. Plan on at least 55 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Kissing gouramiKissing gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Kuhli loach 75–86°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inKissing gourami · 10 in0"2"4"6"8"10"
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 loachKissing gourami
Temperature75–86 °F72–82 °F
pH5.5–76–8
Adult size3.5 in10.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can kuhli loaches live with kissing gouramis?

Yes, kuhli loaches and kissing gouramis can live together. Both are fine at 75–82°F. Plan on at least 55 gal.

What temperature suits both kuhli loaches and kissing gouramis?

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

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

At least 55 gal, set by the kissing gourami. Add space for each extra fish.