Can ramshorn snails live with clown plecos?

Verdict
Yes

Yes. Ramshorn snails and clown plecos get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

Ramshorn snailRamshorn snail70–80°F · pH 7–8 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–80°Ramshorn snail 70–80°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ramshorn snail 7–8Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Ramshorn snail · 1 inClown pleco · 3.5 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 snailClown pleco
Temperature70–80 °F73–82 °F
pH7–86.5–7.5
Adult size1.0 in3.5 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can ramshorn snails live with clown plecos?

Yes. Ramshorn snails and clown plecos get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

What temperature suits both ramshorn snails and clown plecos?

73–80 °F. Ramshorn snails need 70–80 °F, clown plecos need 73–82 °F.

What size tank do ramshorn snails and clown plecos need together?

At least 20 gal, set by the clown pleco. Add space for each extra fish.