Can assassin snails live with lemon tetras?

Verdict
Yes

Yes, assassin snails and lemon tetras can live together. Both are fine at 75–80°F. Plan on at least 15 gal.

Assassin snailAssassin snail75–80°F · pH 7–8 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Assassin snail 75–80°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Assassin snail 7–8Lemon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Assassin snail · 1 inLemon tetra · 2 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

Assassin snailLemon tetra
Temperature75–80 °F72–82 °F
pH7–85.5–7.5
Adult size1.0 in2.0 in
Minimum tank5 gal15 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for assassin snails

All assassin snail tank mates

Better tank mates for lemon tetras

All lemon tetra tank mates

Questions

Can assassin snails live with lemon tetras?

Yes, assassin snails and lemon tetras can live together. Both are fine at 75–80°F. Plan on at least 15 gal.

What temperature suits both assassin snails and lemon tetras?

75–80 °F. Assassin snails need 75–80 °F, lemon tetras need 72–82 °F.

What size tank do assassin snails and lemon tetras need together?

At least 15 gal, set by the lemon tetra. Add space for each extra fish.