Can firemouth cichlids live with paradise fish?

Verdict
Yes

Yes. Firemouth cichlids and paradise fish make a good pair. Both are fine at 75–79°F. Plan on at least 30 gal.

Firemouth cichlidFiremouth cichlid75–86°F · pH 6.5–8 Paradise fishParadise fish61–79°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Firemouth cichlid 75–86°Paradise fish 61–79°
The green band is the temperature range both can live in.
456789Both: 6.5–8Firemouth cichlid 6.5–8Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

Firemouth cichlid · 6 inParadise fish · 3.5 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 cichlidParadise fish
Temperature75–86 °F61–79 °F
pH6.5–86–8
Adult size6.0 in3.5 in
Minimum tank30 gal20 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomTop
GroupAlone or in pairsOne per tank
DietOmnivoreOmnivore

Better tank mates for firemouth cichlids

All firemouth cichlid tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can firemouth cichlids live with paradise fish?

Yes. Firemouth cichlids and paradise fish make a good pair. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both firemouth cichlids and paradise fish?

75–79 °F. Firemouth cichlids need 75–86 °F, paradise fish need 61–79 °F.

What size tank do firemouth cichlids and paradise fish need together?

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