Can yoyo loaches live with hatchetfish?

Verdict
Yes

Yes, yoyo loaches and hatchetfish 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 HatchetfishHatchetfish75–81°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°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Yoyo loach 6–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inHatchetfish · 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 loachHatchetfish
Temperature75–86 °F75–81 °F
pH6–7.55.5–7.5
Adult size5.0 in1.5 in
Minimum tank40 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupGroups of 5+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can yoyo loaches live with hatchetfish?

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

What temperature suits both yoyo loaches and hatchetfish?

75–81 °F. Yoyo loaches need 75–86 °F, hatchetfish need 75–81 °F.

What size tank do yoyo loaches and hatchetfish need together?

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