Can congo tetras live with yellow labs?

Verdict
Yes, with care

Yes, with care. Congo tetras and yellow labs can share a tank, but watch one thing. Different water: congo tetras want pH 6–7.5, yellow labs want pH 7.8–8.6.

Congo tetraCongo tetra73–82°F · pH 6–7.5 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°Both: 75–82°Congo tetra 73–82°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Congo tetra 6–7.5Electric yellow cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Congo tetra · 3 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

Congo tetraElectric yellow cichlid
Temperature73–82 °F75–82 °F
pH6–7.57.8–8.6
Adult size3.0 in4.0 in
Minimum tank30 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleAll levels
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can congo tetras live with yellow labs?

Yes, with care. Congo tetras and yellow labs can share a tank, but watch one thing. Different water: congo tetras want pH 6–7.5, yellow labs want pH 7.8–8.6.

What temperature suits both congo tetras and yellow labs?

75–82 °F. Congo tetras need 73–82 °F, yellow labs need 75–82 °F.

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

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