Can pearl gouramis live with ramshorn snails?

Verdict
Yes

Yes. Pearl gouramis and ramshorn snails make a good pair. Both are fine at 77–80°F. Plan on at least 30 gal.

Pearl gouramiPearl gourami77–82°F · pH 6–7.5 Ramshorn snailRamshorn snail70–80°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–80°Pearl gourami 77–82°Ramshorn snail 70–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pearl gourami 6–7.5Ramshorn snail 7–8
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 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

Pearl gouramiRamshorn snail
Temperature77–82 °F70–80 °F
pH6–7.57–8
Adult size5.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Questions

Can pearl gouramis live with ramshorn snails?

Yes. Pearl gouramis and ramshorn snails make a good pair. Both are fine at 77–80°F. Plan on at least 30 gal.

What temperature suits both pearl gouramis and ramshorn snails?

77–80 °F. Pearl gouramis need 77–82 °F, ramshorn snails need 70–80 °F.

What size tank do pearl gouramis and ramshorn snails need together?

At least 30 gal, set by the pearl gourami. Add space for each extra fish.