Can cherry barbs live with assassin snails?

Verdict
Yes

Yes. Cherry barbs and assassin snails make a good pair. Both are fine at 75–80°F. Plan on at least 20 gal.

Cherry barbCherry barb73–81°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: 75–80°Cherry barb 73–81°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Cherry barb 6–7.5Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Cherry barb · 2 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

Cherry barbAssassin snail
Temperature73–81 °F75–80 °F
pH6–7.57–8
Adult size2.0 in1.0 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can cherry barbs live with assassin snails?

Yes. Cherry barbs and assassin snails make a good pair. Both are fine at 75–80°F. Plan on at least 20 gal.

What temperature suits both cherry barbs and assassin snails?

75–80 °F. Cherry barbs need 73–81 °F, assassin snails need 75–80 °F.

What size tank do cherry barbs and assassin snails need together?

At least 20 gal, set by the cherry barb. Add space for each extra fish.