Can mystery snails live with clown plecos?

Verdict
Yes

Yes. Mystery snails and clown plecos make a good pair. Both are fine at 73–82°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–82°Mystery snail 68–82°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inClown pleco · 3.5 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 snailClown pleco
Temperature68–82 °F73–82 °F
pH7–86.5–7.5
Adult size2.0 in3.5 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can mystery snails live with clown plecos?

Yes. Mystery snails and clown plecos make a good pair. Both are fine at 73–82°F. Plan on at least 20 gal.

What temperature suits both mystery snails and clown plecos?

73–82 °F. Mystery snails need 68–82 °F, clown plecos need 73–82 °F.

What size tank do mystery snails and clown plecos need together?

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