Can firemouth cichlids live with assassin snails?

Verdict
Yes, with care

Yes, with care. Firemouth cichlids and assassin snails can share a tank, but watch one thing. Large firemouth cichlids 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: 75–80°Firemouth cichlid 75–86°Assassin snail 75–80°
The green band is the temperature range both can live in.
456789Both: 7–8Firemouth cichlid 6.5–8Assassin snail 7–8
The green band is the pH both tolerate.

Size to scale

Firemouth cichlid · 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

Firemouth cichlidAssassin snail
Temperature75–86 °F75–80 °F
pH6.5–87–8
Adult size6.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreCarnivore

Better tank mates for firemouth cichlids

All firemouth cichlid tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can firemouth cichlids live with assassin snails?

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

What temperature suits both firemouth cichlids and assassin snails?

75–80 °F. Firemouth cichlids need 75–86 °F, assassin snails need 75–80 °F.

What size tank do firemouth cichlids and assassin snails need together?

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