Can peacock cichlids live with pygmy corys?

Verdict
No

No. Peacock cichlids and pygmy corys should not share a tank. At 6 inches a peacock cichlid can swallow a 1-inch pygmy cory whole.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–79°Peacock cichlid 76–82°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Peacock cichlid 7.8–8.6Pygmy cory 6–7.5
No pH suits both. One would live in the wrong water all the time.

Size to scale

Peacock cichlid · 6 inPygmy cory · 1 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 cichlidPygmy cory
Temperature76–82 °F72–79 °F
pH7.8–8.66–7.5
Adult size6.0 in1.0 in
Minimum tank55 gal10 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 pygmy corys

All pygmy cory tank mates

Questions

Can peacock cichlids live with pygmy corys?

No. Peacock cichlids and pygmy corys should not share a tank. At 6 inches a peacock cichlid can swallow a 1-inch pygmy cory whole.

What temperature suits both peacock cichlids and pygmy corys?

76–79 °F. Peacock cichlids need 76–82 °F, pygmy corys need 72–79 °F.

What size tank do peacock cichlids and pygmy corys need together?

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