Can yoyo loaches live with boesemani rainbowfish?

Verdict
Yes

Yes. Yoyo loaches and boesemani rainbowfish make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

Yoyo loachYoyo loach75–86°F · pH 6–7.5 Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Yoyo loach 75–86°Boesemani rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Yoyo loach 6–7.5Boesemani rainbowfish 7–8
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inBoesemani rainbowfish · 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

Yoyo loachBoesemani rainbowfish
Temperature75–86 °F75–82 °F
pH6–7.57–8
Adult size5.0 in4.0 in
Minimum tank40 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupGroups of 5+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can yoyo loaches live with boesemani rainbowfish?

Yes. Yoyo loaches and boesemani rainbowfish make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

What temperature suits both yoyo loaches and boesemani rainbowfish?

75–82 °F. Yoyo loaches need 75–86 °F, boesemani rainbowfish need 75–82 °F.

What size tank do yoyo loaches and boesemani rainbowfish need together?

At least 40 gal, set by the yoyo loach. Add space for each extra fish.