Can mystery snails live with assassin snails?

Verdict
No

No. Mystery snails and assassin snails should not share a tank. Assassin snails hunt snails, so mystery snails will be eaten.

Mystery snailMystery snail68–82°F · pH 7–8 Assassin snailAssassin snail75–80°F · pH 7–8

What to watch

What works

Water side by side

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

Size to scale

Mystery snail · 2 inAssassin snail · 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 snailAssassin snail
Temperature68–82 °F75–80 °F
pH7–87–8
Adult size2.0 in1.0 in
Minimum tank5 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreCarnivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can mystery snails live with assassin snails?

No. Mystery snails and assassin snails should not share a tank. Assassin snails hunt snails, so mystery snails will be eaten.

What temperature suits both mystery snails and assassin snails?

75–80 °F. Mystery snails need 68–82 °F, assassin snails need 75–80 °F.

What size tank do mystery snails and assassin snails need together?

At least 5 gal, set by the mystery snail. Add space for each extra fish.