Can rams live with peacock cichlids?

Verdict
No

No. Rams and peacock cichlids should not share a tank. Different water: rams want pH 5–7, peacock cichlids want pH 7.8–8.6.

German blue ramGerman blue ram80–86°F · pH 5–7 Peacock cichlidPeacock cichlid76–82°F · pH 7.8–8.6

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–82°German blue ram 80–86°Peacock cichlid 76–82°
The green band is the temperature range both can live in.
456789German blue ram 5–7Peacock cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

German blue ram · 2.5 inPeacock cichlid · 6 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

German blue ramPeacock cichlid
Temperature80–86 °F76–82 °F
pH5–77.8–8.6
Adult size2.5 in6.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 4+
DietOmnivoreCarnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can rams live with peacock cichlids?

No. Rams and peacock cichlids should not share a tank. Different water: rams want pH 5–7, peacock cichlids want pH 7.8–8.6.

What temperature suits both rams and peacock cichlids?

80–82 °F. Rams need 80–86 °F, peacock cichlids need 76–82 °F.

What size tank do rams and peacock cichlids need together?

At least 55 gal, set by the peacock cichlid. Add space for each extra fish.