Can pearl gouramis live with assassin snails?

Verdict
Yes

Yes, pearl gouramis and assassin snails can live together. Both are fine at 77–80°F. Plan on at least 30 gal.

Pearl gouramiPearl gourami77–82°F · pH 6–7.5 Assassin snailAssassin snail75–80°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°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pearl gourami 6–7.5Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 5 inAssassin 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 gouramiAssassin snail
Temperature77–82 °F75–80 °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
DietOmnivoreCarnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can pearl gouramis live with assassin snails?

Yes, pearl gouramis and assassin snails can live together. Both are fine at 77–80°F. Plan on at least 30 gal.

What temperature suits both pearl gouramis and assassin snails?

77–80 °F. Pearl gouramis need 77–82 °F, assassin snails need 75–80 °F.

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

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