Can apistogramma live with kissing gouramis?

Verdict
Yes

Yes. Apistogramma and kissing gouramis get along in the same tank. Both are fine at 75–82°F. Plan on at least 55 gal.

ApistogrammaApistogramma75–84°F · pH 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°Apistogramma 75–84°Kissing gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Apistogramma 5–7Kissing gourami 6–8
The green band is the pH both tolerate.

Size to scale

Apistogramma · 3 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

ApistogrammaKissing gourami
Temperature75–84 °F72–82 °F
pH5–76–8
Adult size3.0 in10.0 in
Minimum tank20 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for kissing gouramis

All kissing gourami tank mates

Questions

Can apistogramma live with kissing gouramis?

Yes. Apistogramma and kissing gouramis get along in the same tank. Both are fine at 75–82°F. Plan on at least 55 gal.

What temperature suits both apistogramma and kissing gouramis?

75–82 °F. Apistogramma need 75–84 °F, kissing gouramis need 72–82 °F.

What size tank do apistogramma and kissing gouramis need together?

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