Can upside down catfish live with yellow labs?

Verdict
Yes, with care

Yes, with care. Upside down catfish and yellow labs can share a tank, but watch one thing. Different water: upside down catfish want pH 6–7.5, yellow labs want pH 7.8–8.6.

Upside down catfishUpside down catfish72–79°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: 75–79°Upside down catfish 72–79°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Upside down catfish 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

Upside down catfish · 4 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

Upside down catfishElectric yellow cichlid
Temperature72–79 °F75–82 °F
pH6–7.57.8–8.6
Adult size4.0 in4.0 in
Minimum tank30 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomAll levels
GroupGroups of 3+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for upside down catfish

All upside down catfish tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can upside down catfish live with yellow labs?

Yes, with care. Upside down catfish and yellow labs can share a tank, but watch one thing. Different water: upside down catfish want pH 6–7.5, yellow labs want pH 7.8–8.6.

What temperature suits both upside down catfish and yellow labs?

75–79 °F. Upside down catfish need 72–79 °F, yellow labs need 75–82 °F.

What size tank do upside down catfish and yellow labs need together?

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