Can kuhli loaches live with sparkling gouramis?

Verdict
Yes

Yes, kuhli loaches and sparkling gouramis can live together. Both are fine at 75–82°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Sparkling gouramiSparkling 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°Sparkling gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Sparkling gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inSparkling gourami · 1.5 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

Kuhli loachSparkling gourami
Temperature75–86 °F72–82 °F
pH5.5–76–7.5
Adult size3.5 in1.5 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Questions

Can kuhli loaches live with sparkling gouramis?

Yes, kuhli loaches and sparkling gouramis can live together. Both are fine at 75–82°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and sparkling gouramis?

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

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

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