Can tiger barbs live with assassin snails?

Verdict
Yes

Yes, tiger barbs and assassin snails can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

Tiger barbTiger barb72–81°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°Tiger barb 72–81°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Tiger barb 6–7.5Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Tiger barb · 3 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

Tiger barbAssassin snail
Temperature72–81 °F75–80 °F
pH6–7.57–8
Adult size3.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can tiger barbs live with assassin snails?

Yes, tiger barbs and assassin snails can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both tiger barbs and assassin snails?

75–80 °F. Tiger barbs need 72–81 °F, assassin snails need 75–80 °F.

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

At least 30 gal, set by the tiger barb. Add space for each extra fish.