Can white cloud minnows live with arowanas?

Verdict

No. White cloud minnows and arowanas should not share a tank. White cloud minnows are coldwater animals (60–72°F); arowanas need 75–86°F. No temperature suits both.

White cloud minnow60–72°F · pH 6–8

Silver arowana75–86°F · pH 6–7

What to watch

Deal breakerWhite cloud minnows are coldwater animals (60–72°F); arowanas need 75–86°F. No temperature suits both.
Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 1.5 inches white cloud minnows do.
Deal breakerArowanas are aggressive and will bully peaceful white cloud minnows.
Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for white cloud minnows.

What works

pH 6–7 suits both.
They use different parts of the tank: white cloud minnows the mid, arowanas the top.

Water side by side

The ranges do not meet, so one of them would always be too warm or too cold.

The green band is the pH both tolerate.

Size to scale

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 minnow	Silver arowana
Temperature	60–72 °F	75–86 °F
pH	6–8	6–7
Adult size	1.5 in	36.0 in
Minimum tank	10 gal	250 gal
Temperament	Peaceful	Aggressive
Swims at	Middle	Top
Group	Groups of 6+	One per tank
Diet	Omnivore	Carnivore

Better tank mates for white cloud minnows

All white cloud minnow tank mates

Questions

Can white cloud minnows live with arowanas?

No. White cloud minnows and arowanas should not share a tank. White cloud minnows are coldwater animals (60–72°F); arowanas need 75–86°F. No temperature suits both.

What temperature suits both white cloud minnows and arowanas?

None. White cloud minnows need 60–72 °F and arowanas need 75–86 °F, so the ranges do not meet.

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

At least 250 gal, set by the silver arowana. Add space for each extra fish.