Can goldfish live with yellow labs?

Verdict
No

No. Goldfish and yellow labs should not share a tank. Goldfish are coldwater animals (60–74°F); yellow labs need 75–82°F. No temperature suits both.

GoldfishGoldfish60–74°F · pH 7–8 Electric yellow cichlidElectric yellow cichlid75–82°F · pH 7.8–8.6

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Goldfish 60–74°Electric yellow cichlid 75–82°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 7.8–8Goldfish 7–8Electric yellow cichlid 7.8–8.6
The green band is the pH both tolerate.

Size to scale

Goldfish · 10 inElectric yellow cichlid · 4 in0"2"4"6"8"10"
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

GoldfishElectric yellow cichlid
Temperature60–74 °F75–82 °F
pH7–87.8–8.6
Adult size10.0 in4.0 in
Minimum tank40 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsAll levels
GroupAlone or in pairsGroups of 4+
DietOmnivoreOmnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can goldfish live with yellow labs?

No. Goldfish and yellow labs should not share a tank. Goldfish are coldwater animals (60–74°F); yellow labs need 75–82°F. No temperature suits both.

What temperature suits both goldfish and yellow labs?

None. Goldfish need 60–74 °F and yellow labs need 75–82 °F, so the ranges do not meet.

What size tank do goldfish and yellow labs need together?

At least 40 gal, set by the goldfish. Add space for each extra fish.