Can mystery snails live with pearl gouramis?

Verdict
Yes

Yes. Mystery snails and pearl gouramis make a good pair. Both are fine at 77–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Mystery snail 68–82°Pearl gourami 77–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Pearl gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inPearl gourami · 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

Mystery snailPearl gourami
Temperature68–82 °F77–82 °F
pH7–86–7.5
Adult size2.0 in5.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for pearl gouramis

All pearl gourami tank mates

Questions

Can mystery snails live with pearl gouramis?

Yes. Mystery snails and pearl gouramis make a good pair. Both are fine at 77–82°F. Plan on at least 30 gal.

What temperature suits both mystery snails and pearl gouramis?

77–82 °F. Mystery snails need 68–82 °F, pearl gouramis need 77–82 °F.

What size tank do mystery snails and pearl gouramis need together?

At least 30 gal, set by the pearl gourami. Add space for each extra fish.