Can fancy goldfish live with peacock cichlids?

Verdict

No. Fancy goldfish and peacock cichlids should not share a tank. Fancy goldfish are coldwater animals (65–74°F); peacock cichlids need 76–82°F. No temperature suits both.

Fancy goldfish65–74°F · pH 7–8

Peacock cichlid76–82°F · pH 7.8–8.6

What to watch

Deal breakerFancy goldfish are coldwater animals (65–74°F); peacock cichlids need 76–82°F. No temperature suits both.

What works

pH 7.8–8 suits both.

Water side by side

The ranges do not meet, so one of them would always be too warm or too cold.

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

	Fancy goldfish	Peacock cichlid
Temperature	65–74 °F	76–82 °F
pH	7–8	7.8–8.6
Adult size	6.0 in	6.0 in
Minimum tank	30 gal	55 gal
Temperament	Peaceful	Semi-aggressive
Swims at	All levels	Middle
Group	Alone or in pairs	Groups of 4+
Diet	Omnivore	Carnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can fancy goldfish live with peacock cichlids?

No. Fancy goldfish and peacock cichlids should not share a tank. Fancy goldfish are coldwater animals (65–74°F); peacock cichlids need 76–82°F. No temperature suits both.

What temperature suits both fancy goldfish and peacock cichlids?

None. Fancy goldfish need 65–74 °F and peacock cichlids need 76–82 °F, so the ranges do not meet.

What size tank do fancy goldfish and peacock cichlids need together?

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