Can jack dempseys live with yellow labs?

Verdict
No

No. Jack dempseys and yellow labs should not share a tank. An adult jack dempsey eats fish that fit in its mouth, and at 4 inches yellow labs do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Jack Dempsey 72–86°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Jack Dempsey 6.5–7.5Electric yellow cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Jack Dempsey · 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

Jack DempseyElectric yellow cichlid
Temperature72–86 °F75–82 °F
pH6.5–7.57.8–8.6
Adult size10.0 in4.0 in
Minimum tank55 gal40 gal
TemperamentAggressiveSemi-aggressive
Swims atMiddleAll levels
GroupAlone or in pairsGroups of 4+
DietCarnivoreOmnivore

Better tank mates for jack dempseys

All jack dempsey tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can jack dempseys live with yellow labs?

No. Jack dempseys and yellow labs should not share a tank. An adult jack dempsey eats fish that fit in its mouth, and at 4 inches yellow labs do.

What temperature suits both jack dempseys and yellow labs?

75–82 °F. Jack dempseys need 72–86 °F, yellow labs need 75–82 °F.

What size tank do jack dempseys and yellow labs need together?

At least 55 gal, set by the jack dempsey. Add space for each extra fish.