Can jack dempseys live with assassin snails?

Verdict

Yes, with care

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

Jack Dempsey72–86°F · pH 6.5–7.5

Assassin snail75–80°F · pH 7–8

What to watch

Watch outLarge jack dempseys crack or pick at small snails. A big mystery snail has better odds than a ramshorn.

What works

Both are fine at 75–80°F.
pH 7–7.5 suits both.
They use different parts of the tank: jack dempseys the mid, assassin snails the bottom.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

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

	Jack Dempsey	Assassin snail
Temperature	72–86 °F	75–80 °F
pH	6.5–7.5	7–8
Adult size	10.0 in	1.0 in
Minimum tank	55 gal	5 gal
Temperament	Aggressive	Peaceful
Swims at	Middle	Bottom
Group	Alone or in pairs	Alone or in pairs
Diet	Carnivore	Carnivore

Better tank mates for jack dempseys

CrayfishYes

All jack dempsey tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can jack dempseys live with assassin snails?

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

What temperature suits both jack dempseys and assassin snails?

75–80 °F. Jack dempseys need 72–86 °F, assassin snails need 75–80 °F.

What size tank do jack dempseys and assassin snails need together?

At least 55 gal, set by the jack dempsey. Add space for each extra fish.