Can yellow labs live with tinfoil barbs?

Verdict
Yes, with care

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

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Electric yellow cichlid 75–82°Tinfoil barb 72–80°
The green band is the temperature range both can live in.
456789Electric yellow cichlid 7.8–8.6Tinfoil barb 6.5–7.5
No pH suits both. One would live in the wrong water all the time.

Size to scale

Electric yellow cichlid · 4 inTinfoil barb · 12 in0"2"4"6"8"10"12"
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

Electric yellow cichlidTinfoil barb
Temperature75–82 °F72–80 °F
pH7.8–8.66.5–7.5
Adult size4.0 in12.0 in
Minimum tank40 gal125 gal
TemperamentSemi-aggressivePeaceful
Swims atAll levelsMiddle
GroupGroups of 4+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Better tank mates for tinfoil barbs

All tinfoil barb tank mates

Questions

Can yellow labs live with tinfoil barbs?

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

What temperature suits both yellow labs and tinfoil barbs?

75–80 °F. Yellow labs need 75–82 °F, tinfoil barbs need 72–80 °F.

What size tank do yellow labs and tinfoil barbs need together?

At least 125 gal, set by the tinfoil barb. Add space for each extra fish.