Can peacock cichlids live with glowlight tetras?

Verdict

Yes, with care

Yes, with care. Peacock cichlids and glowlight tetras can share a tank, but watch one thing. Different water: peacock cichlids want pH 7.8–8.6, glowlight tetras want pH 6–7.5.

Peacock cichlid76–82°F · pH 7.8–8.6

Glowlight tetra74–80°F · pH 6–7.5

What to watch

Watch outDifferent water: peacock cichlids want pH 7.8–8.6, glowlight tetras want pH 6–7.5.
Watch outA grown peacock cichlid may treat small glowlight tetras as food, especially at night.

What works

Both are fine at 76–80°F.

Water side by side

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

No pH suits both. One would live in the wrong water all the time.

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

	Peacock cichlid	Glowlight tetra
Temperature	76–82 °F	74–80 °F
pH	7.8–8.6	6–7.5
Adult size	6.0 in	1.5 in
Minimum tank	55 gal	10 gal
Temperament	Semi-aggressive	Peaceful
Swims at	Middle	Middle
Group	Groups of 4+	Groups of 6+
Diet	Carnivore	Omnivore

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can peacock cichlids live with glowlight tetras?

Yes, with care. Peacock cichlids and glowlight tetras can share a tank, but watch one thing. Different water: peacock cichlids want pH 7.8–8.6, glowlight tetras want pH 6–7.5.

What temperature suits both peacock cichlids and glowlight tetras?

76–80 °F. Peacock cichlids need 76–82 °F, glowlight tetras need 74–80 °F.

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

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