Can goldfish live with yoyo loaches?

Verdict
No

No. Goldfish and yoyo loaches should not share a tank. Goldfish are coldwater animals (60–74°F); yoyo loaches need 75–86°F. No temperature suits both.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Goldfish 60–74°Yoyo loach 75–86°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 7–7.5Goldfish 7–8Yoyo loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Goldfish · 10 inYoyo loach · 5 in0"2"4"6"8"10"
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

GoldfishYoyo loach
Temperature60–74 °F75–86 °F
pH7–86–7.5
Adult size10.0 in5.0 in
Minimum tank40 gal40 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsBottom
GroupAlone or in pairsGroups of 5+
DietOmnivoreOmnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for yoyo loaches

All yoyo loach tank mates

Questions

Can goldfish live with yoyo loaches?

No. Goldfish and yoyo loaches should not share a tank. Goldfish are coldwater animals (60–74°F); yoyo loaches need 75–86°F. No temperature suits both.

What temperature suits both goldfish and yoyo loaches?

None. Goldfish need 60–74 °F and yoyo loaches need 75–86 °F, so the ranges do not meet.

What size tank do goldfish and yoyo loaches need together?

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