Can black skirt tetras live with yellow labs?

Verdict
Yes, with care

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

Black skirt tetraBlack skirt tetra70–80°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: 75–80°Black skirt tetra 70–80°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Black skirt 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

Black skirt tetra · 2.5 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

Black skirt tetraElectric yellow cichlid
Temperature70–80 °F75–82 °F
pH6–7.57.8–8.6
Adult size2.5 in4.0 in
Minimum tank15 gal40 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleAll levels
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can black skirt tetras live with yellow labs?

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

What temperature suits both black skirt tetras and yellow labs?

75–80 °F. Black skirt tetras need 70–80 °F, yellow labs need 75–82 °F.

What size tank do black skirt tetras and yellow labs need together?

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