Can celestial pearl danios live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Celestial pearl danios and dwarf neon rainbowfish make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Celestial pearl danio 72–79°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Celestial pearl danio 6.5–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inDwarf neon rainbowfish · 2.5 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

Celestial pearl danioDwarf neon rainbowfish
Temperature72–79 °F75–82 °F
pH6.5–7.56.5–7.5
Adult size1.0 in2.5 in
Minimum tank10 gal20 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 dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can celestial pearl danios live with dwarf neon rainbowfish?

Yes. Celestial pearl danios and dwarf neon rainbowfish make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both celestial pearl danios and dwarf neon rainbowfish?

75–79 °F. Celestial pearl danios need 72–79 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do celestial pearl danios and dwarf neon rainbowfish need together?

At least 20 gal, set by the dwarf neon rainbowfish. Add space for each extra fish.