Can mystery snails live with black neon tetras?

Verdict
Yes

Yes, mystery snails and black neon tetras can live together. Both are fine at 73–81°F. Plan on at least 15 gal.

Mystery snailMystery snail68–82°F · pH 7–8 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–81°Mystery snail 68–82°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inBlack neon tetra · 1.5 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 snailBlack neon tetra
Temperature68–82 °F73–81 °F
pH7–85.5–7.5
Adult size2.0 in1.5 in
Minimum tank5 gal15 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 black neon tetras

All black neon tetra tank mates

Questions

Can mystery snails live with black neon tetras?

Yes, mystery snails and black neon tetras can live together. Both are fine at 73–81°F. Plan on at least 15 gal.

What temperature suits both mystery snails and black neon tetras?

73–81 °F. Mystery snails need 68–82 °F, black neon tetras need 73–81 °F.

What size tank do mystery snails and black neon tetras need together?

At least 15 gal, set by the black neon tetra. Add space for each extra fish.