Can peacock cichlids live with lemon tetras?

Verdict
Yes, with care

Yes, with care. Peacock cichlids and lemon tetras can share a tank, but watch one thing. Different water: peacock cichlids want pH 7.8–8.6, lemon tetras want pH 5.5–7.5.

Peacock cichlidPeacock cichlid76–82°F · pH 7.8–8.6 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Peacock cichlid 76–82°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Peacock cichlid 7.8–8.6Lemon tetra 5.5–7.5
No pH suits both. One would live in the wrong water all the time.

Size to scale

Peacock cichlid · 6 inLemon tetra · 2 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 cichlidLemon tetra
Temperature76–82 °F72–82 °F
pH7.8–8.65.5–7.5
Adult size6.0 in2.0 in
Minimum tank55 gal15 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 lemon tetras

All lemon tetra tank mates

Questions

Can peacock cichlids live with lemon tetras?

Yes, with care. Peacock cichlids and lemon tetras can share a tank, but watch one thing. Different water: peacock cichlids want pH 7.8–8.6, lemon tetras want pH 5.5–7.5.

What temperature suits both peacock cichlids and lemon tetras?

76–82 °F. Peacock cichlids need 76–82 °F, lemon tetras need 72–82 °F.

What size tank do peacock cichlids and lemon tetras need together?

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