Can mystery snails live with pygmy corys?

Verdict
Yes

Yes. Mystery snails and pygmy corys get along in the same tank. Both are fine at 72–79°F. Plan on at least 10 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Mystery snail 68–82°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inPygmy cory · 1 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 snailPygmy cory
Temperature68–82 °F72–79 °F
pH7–86–7.5
Adult size2.0 in1.0 in
Minimum tank5 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can mystery snails live with pygmy corys?

Yes. Mystery snails and pygmy corys get along in the same tank. Both are fine at 72–79°F. Plan on at least 10 gal.

What temperature suits both mystery snails and pygmy corys?

72–79 °F. Mystery snails need 68–82 °F, pygmy corys need 72–79 °F.

What size tank do mystery snails and pygmy corys need together?

At least 10 gal, set by the pygmy cory. Add space for each extra fish.