Can zebra plecos live with kissing gouramis?

Verdict
Yes

Yes. Zebra plecos and kissing gouramis make a good pair. Both are fine at 79–82°F. Plan on at least 55 gal.

Zebra plecoZebra pleco79–88°F · pH 6–7.5 Kissing gouramiKissing gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 79–82°Zebra pleco 79–88°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Zebra pleco 6–7.5Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Zebra pleco · 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

Zebra plecoKissing gourami
Temperature79–88 °F72–82 °F
pH6–7.56–8
Adult size3.5 in10.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for zebra plecos

All zebra pleco tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can zebra plecos live with kissing gouramis?

Yes. Zebra plecos and kissing gouramis make a good pair. Both are fine at 79–82°F. Plan on at least 55 gal.

What temperature suits both zebra plecos and kissing gouramis?

79–82 °F. Zebra plecos need 79–88 °F, kissing gouramis need 72–82 °F.

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

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