Can yoyo loaches live with tinfoil barbs?

Verdict
Yes

Yes. Yoyo loaches and tinfoil barbs get along in the same tank. Both are fine at 75–80°F. Plan on at least 125 gal.

Yoyo loachYoyo loach75–86°F · pH 6–7.5 Tinfoil barbTinfoil barb72–80°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Yoyo loach 75–86°Tinfoil barb 72–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Yoyo loach 6–7.5Tinfoil barb 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 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

Yoyo loachTinfoil barb
Temperature75–86 °F72–80 °F
pH6–7.56.5–7.5
Adult size5.0 in12.0 in
Minimum tank40 gal125 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupGroups of 5+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for tinfoil barbs

All tinfoil barb tank mates

Questions

Can yoyo loaches live with tinfoil barbs?

Yes. Yoyo loaches and tinfoil barbs get along in the same tank. Both are fine at 75–80°F. Plan on at least 125 gal.

What temperature suits both yoyo loaches and tinfoil barbs?

75–80 °F. Yoyo loaches need 75–86 °F, tinfoil barbs need 72–80 °F.

What size tank do yoyo loaches and tinfoil barbs need together?

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