Can mystery snails live with mollies?

Verdict
Yes

Yes, mystery snails and mollies can live together. Both are fine at 72–82°F. Plan on at least 20 gal.

Mystery snailMystery snail68–82°F · pH 7–8 MollyMolly72–82°F · pH 7.5–8.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Mystery snail 68–82°Molly 72–82°
The green band is the temperature range both can live in.
456789Both: 7.5–8Mystery snail 7–8Molly 7.5–8.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inMolly · 4 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 snailMolly
Temperature68–82 °F72–82 °F
pH7–87.5–8.5
Adult size2.0 in4.0 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for mollies

All molly tank mates

Questions

Can mystery snails live with mollies?

Yes, mystery snails and mollies can live together. Both are fine at 72–82°F. Plan on at least 20 gal.

What temperature suits both mystery snails and mollies?

72–82 °F. Mystery snails need 68–82 °F, mollies need 72–82 °F.

What size tank do mystery snails and mollies need together?

At least 20 gal, set by the molly. Add space for each extra fish.