Can ramshorn snails live with lemon tetras?

Verdict
Yes

Yes. Ramshorn snails and lemon tetras make a good pair. Both are fine at 72–80°F. Plan on at least 15 gal.

Ramshorn snailRamshorn snail70–80°F · pH 7–8 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–80°Ramshorn snail 70–80°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ramshorn snail 7–8Lemon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Ramshorn snail · 1 inLemon tetra · 2 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 snailLemon tetra
Temperature70–80 °F72–82 °F
pH7–85.5–7.5
Adult size1.0 in2.0 in
Minimum tank5 gal15 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 lemon tetras

All lemon tetra tank mates

Questions

Can ramshorn snails live with lemon tetras?

Yes. Ramshorn snails and lemon tetras make a good pair. Both are fine at 72–80°F. Plan on at least 15 gal.

What temperature suits both ramshorn snails and lemon tetras?

72–80 °F. Ramshorn snails need 70–80 °F, lemon tetras need 72–82 °F.

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

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