Can hillstream loaches live with white cloud minnows?

Verdict
Yes

Yes. Hillstream loaches and white cloud minnows get along in the same tank. Both are fine at 68–72°F. Plan on at least 20 gal.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 White cloud minnowWhite cloud minnow60–72°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 68–72°Hillstream loach 68–75°White cloud minnow 60–72°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5White cloud minnow 6–8
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inWhite cloud minnow · 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

Hillstream loachWhite cloud minnow
Temperature68–75 °F60–72 °F
pH6.5–7.56–8
Adult size2.5 in1.5 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for white cloud minnows

All white cloud minnow tank mates

Questions

Can hillstream loaches live with white cloud minnows?

Yes. Hillstream loaches and white cloud minnows get along in the same tank. Both are fine at 68–72°F. Plan on at least 20 gal.

What temperature suits both hillstream loaches and white cloud minnows?

68–72 °F. Hillstream loaches need 68–75 °F, white cloud minnows need 60–72 °F.

What size tank do hillstream loaches and white cloud minnows need together?

At least 20 gal, set by the hillstream loach. Add space for each extra fish.