Can angelfish live with assassin snails?

Verdict
Yes, with care

Yes, with care. Angelfish and assassin snails can share a tank, but watch one thing. Large angelfish crack or pick at small snails. A big mystery snail has better odds than a ramshorn.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–80°Angelfish 76–84°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Angelfish 6–7.5Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Angelfish · 6 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

AngelfishAssassin snail
Temperature76–84 °F75–80 °F
pH6–7.57–8
Adult size6.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreCarnivore

Better tank mates for angelfish

All angelfish tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can angelfish live with assassin snails?

Yes, with care. Angelfish and assassin snails can share a tank, but watch one thing. Large angelfish crack or pick at small snails. A big mystery snail has better odds than a ramshorn.

What temperature suits both angelfish and assassin snails?

76–80 °F. Angelfish need 76–84 °F, assassin snails need 75–80 °F.

What size tank do angelfish and assassin snails need together?

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