Can peacock cichlids live with gold barbs?

Verdict
No

No. Peacock cichlids and gold barbs should not share a tank. No shared temperature. Peacock cichlids need 76–82°F, gold barbs need 64–75°F.

Peacock cichlidPeacock cichlid76–82°F · pH 7.8–8.6 Gold barbGold barb64–75°F · pH 6–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Peacock cichlid 76–82°Gold barb 64–75°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 7.8–8Peacock cichlid 7.8–8.6Gold barb 6–8
The green band is the pH both tolerate.

Size to scale

Peacock cichlid · 6 inGold barb · 3 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

Peacock cichlidGold barb
Temperature76–82 °F64–75 °F
pH7.8–8.66–8
Adult size6.0 in3.0 in
Minimum tank55 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 4+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Better tank mates for gold barbs

All gold barb tank mates

Questions

Can peacock cichlids live with gold barbs?

No. Peacock cichlids and gold barbs should not share a tank. No shared temperature. Peacock cichlids need 76–82°F, gold barbs need 64–75°F.

What temperature suits both peacock cichlids and gold barbs?

None. Peacock cichlids need 76–82 °F and gold barbs need 64–75 °F, so the ranges do not meet.

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

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