Can clown loaches live with kissing gouramis?

Verdict
Yes

Yes. Clown loaches and kissing gouramis make a good pair. Both are fine at 77–82°F. Plan on at least 75 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Clown loach 77–86°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Clown loach 6–7.5Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Clown loach · 8 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

Clown loachKissing gourami
Temperature77–86 °F72–82 °F
pH6–7.56–8
Adult size8.0 in10.0 in
Minimum tank75 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 5+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for clown loaches

All clown loach tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can clown loaches live with kissing gouramis?

Yes. Clown loaches and kissing gouramis make a good pair. Both are fine at 77–82°F. Plan on at least 75 gal.

What temperature suits both clown loaches and kissing gouramis?

77–82 °F. Clown loaches need 77–86 °F, kissing gouramis need 72–82 °F.

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

At least 75 gal, set by the clown loach. Add space for each extra fish.