Can platies live with ramshorn snails?

Verdict
Yes

Yes. Platies and ramshorn snails get along in the same tank. Both are fine at 70–80°F. Plan on at least 10 gal.

PlatyPlaty70–80°F · pH 7–8.2 Ramshorn snailRamshorn snail70–80°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 70–80°Platy 70–80°Ramshorn snail 70–80°
The green band is the temperature range both can live in.
456789Both: 7–8Platy 7–8.2Ramshorn snail 7–8
The green band is the pH both tolerate.

Size to scale

Platy · 2.5 inRamshorn snail · 1 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

PlatyRamshorn snail
Temperature70–80 °F70–80 °F
pH7–8.27–8
Adult size2.5 in1.0 in
Minimum tank10 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for platies

All platy tank mates

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Questions

Can platies live with ramshorn snails?

Yes. Platies and ramshorn snails get along in the same tank. Both are fine at 70–80°F. Plan on at least 10 gal.

What temperature suits both platies and ramshorn snails?

70–80 °F. Platies need 70–80 °F, ramshorn snails need 70–80 °F.

What size tank do platies and ramshorn snails need together?

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