Can neon tetras live with yellow labs?

Verdict
No

No. Neon tetras and yellow labs should not share a tank. Different water: neon tetras want pH 6–7, yellow labs want pH 7.8–8.6.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Neon tetra 72–79°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Neon tetra 6–7Electric yellow cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Neon tetra · 1.5 inElectric yellow cichlid · 4 in0"1"2"3"4"5"6"
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

Neon tetraElectric yellow cichlid
Temperature72–79 °F75–82 °F
pH6–77.8–8.6
Adult size1.5 in4.0 in
Minimum tank10 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleAll levels
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can neon tetras live with yellow labs?

No. Neon tetras and yellow labs should not share a tank. Different water: neon tetras want pH 6–7, yellow labs want pH 7.8–8.6.

What temperature suits both neon tetras and yellow labs?

75–79 °F. Neon tetras need 72–79 °F, yellow labs need 75–82 °F.

What size tank do neon tetras and yellow labs need together?

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