Can celestial pearl danios live with ember tetras?

Verdict
Yes

Yes. Celestial pearl danios and ember tetras make a good pair. Both are fine at 73–79°F. Plan on at least 10 gal.

Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5 Ember tetraEmber tetra73–84°F · pH 5.5–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Celestial pearl danio 72–79°Ember tetra 73–84°
The green band is the temperature range both can live in.
456789Both: 6.5–7Celestial pearl danio 6.5–7.5Ember tetra 5.5–7
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inEmber tetra · 0.8 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

Celestial pearl danioEmber tetra
Temperature72–79 °F73–84 °F
pH6.5–7.55.5–7
Adult size1.0 in0.8 in
Minimum tank10 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Better tank mates for ember tetras

All ember tetra tank mates

Questions

Can celestial pearl danios live with ember tetras?

Yes. Celestial pearl danios and ember tetras make a good pair. Both are fine at 73–79°F. Plan on at least 10 gal.

What temperature suits both celestial pearl danios and ember tetras?

73–79 °F. Celestial pearl danios need 72–79 °F, ember tetras need 73–84 °F.

What size tank do celestial pearl danios and ember tetras need together?

At least 10 gal, set by the celestial pearl danio. Add space for each extra fish.