Can yoyo loaches live with flowerhorns?

Verdict
No

No. Yoyo loaches and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 5 inches yoyo loaches do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–86°Yoyo loach 75–86°Flowerhorn 80–89°
The green band is the temperature range both can live in.
456789Both: 7–7.5Yoyo loach 6–7.5Flowerhorn 7–8
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inFlowerhorn · 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 loachFlowerhorn
Temperature75–86 °F80–89 °F
pH6–7.57–8
Adult size5.0 in12.0 in
Minimum tank40 gal75 gal
TemperamentSemi-aggressiveAggressive
Swims atBottomMiddle
GroupGroups of 5+One per tank
DietOmnivoreCarnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Questions

Can yoyo loaches live with flowerhorns?

No. Yoyo loaches and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 5 inches yoyo loaches do.

What temperature suits both yoyo loaches and flowerhorns?

80–86 °F. Yoyo loaches need 75–86 °F, flowerhorns need 80–89 °F.

What size tank do yoyo loaches and flowerhorns need together?

At least 75 gal, set by the flowerhorn. Add space for each extra fish.