Can corydoras live with peacock cichlids?

Verdict

Yes, with care

Yes, with care. Corydoras and peacock cichlids can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.8.

Corydoras72–79°F · pH 6–7.8

Peacock cichlid76–82°F · pH 7.8–8.6

What to watch

Watch outWater chemistry is a squeeze. The only pH that suits both is around 7.8.

What works

Both are fine at 76–79°F.
They use different parts of the tank: corydoras the bottom, peacock cichlids the mid.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

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

	Corydoras	Peacock cichlid
Temperature	72–79 °F	76–82 °F
pH	6–7.8	7.8–8.6
Adult size	2.5 in	6.0 in
Minimum tank	20 gal	55 gal
Temperament	Peaceful	Semi-aggressive
Swims at	Bottom	Middle
Group	Groups of 6+	Groups of 4+
Diet	Omnivore	Carnivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can corydoras live with peacock cichlids?

Yes, with care. Corydoras and peacock cichlids can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.8.

What temperature suits both corydoras and peacock cichlids?

76–79 °F. Corydoras need 72–79 °F, peacock cichlids need 76–82 °F.

What size tank do corydoras and peacock cichlids need together?

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