Can cherry barbs live with peacock cichlids?

Verdict
Yes, with care

Yes, with care. Cherry barbs and peacock cichlids can share a tank, but watch one thing. Different water: cherry barbs want pH 6–7.5, peacock cichlids want pH 7.8–8.6.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–81°Cherry barb 73–81°Peacock cichlid 76–82°
The green band is the temperature range both can live in.
456789Cherry barb 6–7.5Peacock cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Cherry barb · 2 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

Cherry barbPeacock cichlid
Temperature73–81 °F76–82 °F
pH6–7.57.8–8.6
Adult size2.0 in6.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 4+
DietOmnivoreCarnivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can cherry barbs live with peacock cichlids?

Yes, with care. Cherry barbs and peacock cichlids can share a tank, but watch one thing. Different water: cherry barbs want pH 6–7.5, peacock cichlids want pH 7.8–8.6.

What temperature suits both cherry barbs and peacock cichlids?

76–81 °F. Cherry barbs need 73–81 °F, peacock cichlids need 76–82 °F.

What size tank do cherry barbs and peacock cichlids need together?

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