Can kissing gouramis live with zebra loaches?

Verdict
Yes

Yes. Kissing gouramis and zebra loaches make a good pair. Both are fine at 73–79°F. Plan on at least 55 gal.

Kissing gouramiKissing gourami72–82°F · pH 6–8 Zebra loachZebra loach73–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Kissing gourami 72–82°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Kissing gourami 6–8Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Kissing gourami · 10 inZebra loach · 3.5 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

Kissing gouramiZebra loach
Temperature72–82 °F73–79 °F
pH6–86–7.5
Adult size10.0 in3.5 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsGroups of 5+
DietOmnivoreOmnivore

Better tank mates for kissing gouramis

All kissing gourami tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can kissing gouramis live with zebra loaches?

Yes. Kissing gouramis and zebra loaches make a good pair. Both are fine at 73–79°F. Plan on at least 55 gal.

What temperature suits both kissing gouramis and zebra loaches?

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

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

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