Can mystery snails live with severums?

Verdict
Yes, with care

Yes, with care. Mystery snails and severums can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–82°Mystery snail 68–82°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 7Mystery snail 7–8Severum 6–7
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inSeverum · 8 in0"1"2"3"4"5"6"7"8"
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 snailSeverum
Temperature68–82 °F74–84 °F
pH7–86–7
Adult size2.0 in8.0 in
Minimum tank5 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for mystery snails

All mystery snail tank mates

Better tank mates for severums

All severum tank mates

Questions

Can mystery snails live with severums?

Yes, with care. Mystery snails and severums can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both mystery snails and severums?

74–82 °F. Mystery snails need 68–82 °F, severums need 74–84 °F.

What size tank do mystery snails and severums need together?

At least 55 gal, set by the severum. Add space for each extra fish.