Can peacock cichlids live with blue gouramis?

Verdict
Yes

Yes. Peacock cichlids and blue gouramis get along in the same tank. Both are fine at 76–82°F. Plan on at least 55 gal.

Peacock cichlidPeacock cichlid76–82°F · pH 7.8–8.6 Blue gouramiBlue gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Peacock cichlid 76–82°Blue gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 7.8–8Peacock cichlid 7.8–8.6Blue gourami 6–8
The green band is the pH both tolerate.

Size to scale

Peacock cichlid · 6 inBlue gourami · 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

Peacock cichlidBlue gourami
Temperature76–82 °F72–82 °F
pH7.8–8.66–8
Adult size6.0 in5.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleTop
GroupGroups of 4+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can peacock cichlids live with blue gouramis?

Yes. Peacock cichlids and blue gouramis get along in the same tank. Both are fine at 76–82°F. Plan on at least 55 gal.

What temperature suits both peacock cichlids and blue gouramis?

76–82 °F. Peacock cichlids need 76–82 °F, blue gouramis need 72–82 °F.

What size tank do peacock cichlids and blue gouramis need together?

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