Can yoyo loaches live with black neon tetras?

Verdict
Yes

Yes, yoyo loaches and black neon tetras can live together. Both are fine at 75–81°F. Plan on at least 40 gal.

Yoyo loachYoyo loach75–86°F · pH 6–7.5 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Yoyo loach 75–86°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Yoyo loach 6–7.5Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inBlack neon tetra · 1.5 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 loachBlack neon tetra
Temperature75–86 °F73–81 °F
pH6–7.55.5–7.5
Adult size5.0 in1.5 in
Minimum tank40 gal15 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 black neon tetras

All black neon tetra tank mates

Questions

Can yoyo loaches live with black neon tetras?

Yes, yoyo loaches and black neon tetras can live together. Both are fine at 75–81°F. Plan on at least 40 gal.

What temperature suits both yoyo loaches and black neon tetras?

75–81 °F. Yoyo loaches need 75–86 °F, black neon tetras need 73–81 °F.

What size tank do yoyo loaches and black neon tetras need together?

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