Can mystery snails live with glowlight tetras?

Verdict
Yes

Yes, mystery snails and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 10 gal.

Mystery snailMystery snail68–82°F · pH 7–8 Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–80°Mystery snail 68–82°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Mystery snail 7–8Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Mystery snail · 2 inGlowlight 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 snailGlowlight tetra
Temperature68–82 °F74–80 °F
pH7–86–7.5
Adult size2.0 in1.5 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 glowlight tetras

All glowlight tetra tank mates

Questions

Can mystery snails live with glowlight tetras?

Yes, mystery snails and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 10 gal.

What temperature suits both mystery snails and glowlight tetras?

74–80 °F. Mystery snails need 68–82 °F, glowlight tetras need 74–80 °F.

What size tank do mystery snails and glowlight tetras need together?

At least 10 gal, set by the glowlight tetra. Add space for each extra fish.