Can pea puffers live with assassin snails?

Verdict
No

No. Pea puffers and assassin snails should not share a tank. Pea puffers hunt snails, so assassin snails will be eaten.

Pea pufferPea puffer74–82°F · pH 7–8 Assassin snailAssassin snail75–80°F · pH 7–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Pea puffer 74–82°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–8Pea puffer 7–8Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 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

Pea pufferAssassin snail
Temperature74–82 °F75–80 °F
pH7–87–8
Adult size1.0 in1.0 in
Minimum tank5 gal5 gal
TemperamentAggressivePeaceful
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreCarnivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can pea puffers live with assassin snails?

No. Pea puffers and assassin snails should not share a tank. Pea puffers hunt snails, so assassin snails will be eaten.

What temperature suits both pea puffers and assassin snails?

75–80 °F. Pea puffers need 74–82 °F, assassin snails need 75–80 °F.

What size tank do pea puffers and assassin snails need together?

At least 5 gal, set by the pea puffer. Add space for each extra fish.