Can apistogramma live with peacock cichlids?

Verdict
No

No. Apistogramma and peacock cichlids should not share a tank. Different water: apistogramma want pH 5–7, 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: 76–82°Apistogramma 75–84°Peacock cichlid 76–82°
The green band is the temperature range both can live in.
456789Apistogramma 5–7Peacock cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Apistogramma · 3 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

ApistogrammaPeacock cichlid
Temperature75–84 °F76–82 °F
pH5–77.8–8.6
Adult size3.0 in6.0 in
Minimum tank20 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 4+
DietCarnivoreCarnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can apistogramma live with peacock cichlids?

No. Apistogramma and peacock cichlids should not share a tank. Different water: apistogramma want pH 5–7, peacock cichlids want pH 7.8–8.6.

What temperature suits both apistogramma and peacock cichlids?

76–82 °F. Apistogramma need 75–84 °F, peacock cichlids need 76–82 °F.

What size tank do apistogramma and peacock cichlids need together?

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