Can mystery snails live with dwarf gouramis?

Verdict
Yes

Yes. Mystery snails and dwarf gouramis get along in the same tank. Both are fine at 72–82°F. Plan on at least 10 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Mystery snail 68–82°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inDwarf gourami · 3 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 snailDwarf gourami
Temperature68–82 °F72–82 °F
pH7–86–7.5
Adult size2.0 in3.0 in
Minimum tank5 gal10 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 dwarf gouramis

All dwarf gourami tank mates

Questions

Can mystery snails live with dwarf gouramis?

Yes. Mystery snails and dwarf gouramis get along in the same tank. Both are fine at 72–82°F. Plan on at least 10 gal.

What temperature suits both mystery snails and dwarf gouramis?

72–82 °F. Mystery snails need 68–82 °F, dwarf gouramis need 72–82 °F.

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

At least 10 gal, set by the dwarf gourami. Add space for each extra fish.