Can guppies live with yoyo loaches?

Verdict
No

No. Guppies and yoyo loaches should not share a tank. Yoyo loaches nip fins, and the long fins of guppies are an easy target.

GuppyGuppy72–82°F · pH 6.8–7.8 Yoyo loachYoyo loach75–86°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Guppy 72–82°Yoyo loach 75–86°
The green band is the temperature range both can live in.
456789Both: 6.8–7.5Guppy 6.8–7.8Yoyo loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Guppy · 2 inYoyo loach · 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

GuppyYoyo loach
Temperature72–82 °F75–86 °F
pH6.8–7.86–7.5
Adult size2.0 in5.0 in
Minimum tank10 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atTopBottom
GroupGroups of 3+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for yoyo loaches

All yoyo loach tank mates

Questions

Can guppies live with yoyo loaches?

No. Guppies and yoyo loaches should not share a tank. Yoyo loaches nip fins, and the long fins of guppies are an easy target.

What temperature suits both guppies and yoyo loaches?

75–82 °F. Guppies need 72–82 °F, yoyo loaches need 75–86 °F.

What size tank do guppies and yoyo loaches need together?

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