Can ramshorn snails live with glowlight tetras?

Verdict
Yes

Yes. Ramshorn snails and glowlight tetras make a good pair. Both are fine at 74–80°F. Plan on at least 10 gal.

Ramshorn snailRamshorn snail70–80°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: 74–80°Ramshorn snail 70–80°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ramshorn snail 7–8Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Ramshorn 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

Ramshorn snailGlowlight tetra
Temperature70–80 °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+
DietOmnivoreOmnivore

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can ramshorn snails live with glowlight tetras?

Yes. Ramshorn snails and glowlight tetras make a good pair. Both are fine at 74–80°F. Plan on at least 10 gal.

What temperature suits both ramshorn snails and glowlight tetras?

74–80 °F. Ramshorn snails need 70–80 °F, glowlight tetras need 74–80 °F.

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

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