Can crayfish live with white cloud minnows?

Verdict
Yes

Yes. Crayfish and white cloud minnows get along in the same tank. Both are fine at 65–72°F. Plan on at least 20 gal.

CrayfishCrayfish65–77°F · pH 6.5–8 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: 65–72°Crayfish 65–77°White cloud minnow 60–72°
The green band is the temperature range both can live in.
456789Both: 6.5–8Crayfish 6.5–8White cloud minnow 6–8
The green band is the pH both tolerate.

Size to scale

Crayfish · 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

CrayfishWhite cloud minnow
Temperature65–77 °F60–72 °F
pH6.5–86–8
Adult size5.0 in1.5 in
Minimum tank20 gal10 gal
TemperamentAggressivePeaceful
Swims atBottomMiddle
GroupOne per tankGroups of 6+
DietOmnivoreOmnivore

Better tank mates for crayfish

All crayfish tank mates

Better tank mates for white cloud minnows

All white cloud minnow tank mates

Questions

Can crayfish live with white cloud minnows?

Yes. Crayfish and white cloud minnows get along in the same tank. Both are fine at 65–72°F. Plan on at least 20 gal.

What temperature suits both crayfish and white cloud minnows?

65–72 °F. Crayfish need 65–77 °F, white cloud minnows need 60–72 °F.

What size tank do crayfish and white cloud minnows need together?

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