Can firemouth cichlids live with endlers?

Verdict
Yes, with care

Yes, with care. Firemouth cichlids and endlers can share a tank, but watch one thing. At 6 inches a firemouth cichlid can swallow a small endler's livebearer. Fast, alert fish usually stay out of reach.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Firemouth cichlid 75–86°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7–8Firemouth cichlid 6.5–8Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Firemouth cichlid · 6 inEndler's livebearer · 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 cichlidEndler's livebearer
Temperature75–86 °F72–82 °F
pH6.5–87–8
Adult size6.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for firemouth cichlids

All firemouth cichlid tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can firemouth cichlids live with endlers?

Yes, with care. Firemouth cichlids and endlers can share a tank, but watch one thing. At 6 inches a firemouth cichlid can swallow a small endler's livebearer. Fast, alert fish usually stay out of reach.

What temperature suits both firemouth cichlids and endlers?

75–82 °F. Firemouth cichlids need 75–86 °F, endlers need 72–82 °F.

What size tank do firemouth cichlids and endlers need together?

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