Can fancy goldfish live with yellow labs?

Verdict

No. Fancy goldfish and yellow labs should not share a tank. Fancy goldfish are coldwater animals (65–74°F); yellow labs need 75–82°F. No temperature suits both.

Fancy goldfish65–74°F · pH 7–8

Electric yellow cichlid75–82°F · pH 7.8–8.6

What to watch

Deal breakerFancy goldfish are coldwater animals (65–74°F); yellow labs need 75–82°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	Electric yellow cichlid
Temperature	65–74 °F	75–82 °F
pH	7–8	7.8–8.6
Adult size	6.0 in	4.0 in
Minimum tank	30 gal	40 gal
Temperament	Peaceful	Semi-aggressive
Swims at	All levels	All levels
Group	Alone or in pairs	Groups of 4+
Diet	Omnivore	Omnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can fancy goldfish live with yellow labs?

No. Fancy goldfish and yellow labs should not share a tank. Fancy goldfish are coldwater animals (65–74°F); yellow labs need 75–82°F. No temperature suits both.

What temperature suits both fancy goldfish and yellow labs?

None. Fancy goldfish need 65–74 °F and yellow labs need 75–82 °F, so the ranges do not meet.

What size tank do fancy goldfish and yellow labs need together?

At least 40 gal, set by the electric yellow cichlid. Add space for each extra fish.