Can assassin snails live with glowlight tetras?

Verdict
Yes

Yes, assassin snails and glowlight tetras can live together. Both are fine at 75–80°F. Plan on at least 10 gal.

Assassin snailAssassin snail75–80°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: 75–80°Assassin snail 75–80°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Assassin snail 7–8Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Assassin snail · 1 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

Assassin snailGlowlight tetra
Temperature75–80 °F74–80 °F
pH7–86–7.5
Adult size1.0 in1.5 in
Minimum tank5 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for assassin snails

All assassin snail tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can assassin snails live with glowlight tetras?

Yes, assassin snails and glowlight tetras can live together. Both are fine at 75–80°F. Plan on at least 10 gal.

What temperature suits both assassin snails and glowlight tetras?

75–80 °F. Assassin snails need 75–80 °F, glowlight tetras need 74–80 °F.

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

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