Can white cloud minnows live with rummy nose tetras?

Verdict
No

No. White cloud minnows and rummy nose tetras should not share a tank. White cloud minnows are coldwater animals (60–72°F); rummy nose tetras need 75–84°F. No temperature suits both.

White cloud minnowWhite cloud minnow60–72°F · pH 6–8 Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°White cloud minnow 60–72°Rummy nose tetra 75–84°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6–7White cloud minnow 6–8Rummy nose tetra 5.5–7
The green band is the pH both tolerate.

Size to scale

White cloud minnow · 1.5 inRummy nose tetra · 2 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

White cloud minnowRummy nose tetra
Temperature60–72 °F75–84 °F
pH6–85.5–7
Adult size1.5 in2.0 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for white cloud minnows

All white cloud minnow tank mates

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Questions

Can white cloud minnows live with rummy nose tetras?

No. White cloud minnows and rummy nose tetras should not share a tank. White cloud minnows are coldwater animals (60–72°F); rummy nose tetras need 75–84°F. No temperature suits both.

What temperature suits both white cloud minnows and rummy nose tetras?

None. White cloud minnows need 60–72 °F and rummy nose tetras need 75–84 °F, so the ranges do not meet.

What size tank do white cloud minnows and rummy nose tetras need together?

At least 20 gal, set by the rummy nose tetra. Add space for each extra fish.