Can bristlenose plecos live with yellow labs?

Verdict
Yes, with care

Yes, with care. Bristlenose plecos and yellow labs can share a tank, but watch one thing. Different water: bristlenose plecos want pH 6.5–7.5, yellow labs want pH 7.8–8.6.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 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: 75–81°Bristlenose pleco 73–81°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Bristlenose pleco 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

Bristlenose pleco · 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

Bristlenose plecoElectric yellow cichlid
Temperature73–81 °F75–82 °F
pH6.5–7.57.8–8.6
Adult size5.0 in4.0 in
Minimum tank30 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomAll levels
GroupAlone or in pairsGroups of 4+
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can bristlenose plecos live with yellow labs?

Yes, with care. Bristlenose plecos and yellow labs can share a tank, but watch one thing. Different water: bristlenose plecos want pH 6.5–7.5, yellow labs want pH 7.8–8.6.

What temperature suits both bristlenose plecos and yellow labs?

75–81 °F. Bristlenose plecos need 73–81 °F, yellow labs need 75–82 °F.

What size tank do bristlenose plecos and yellow labs need together?

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