Can celestial pearl danios live with fancy goldfish?

Verdict
No

No. Celestial pearl danios and fancy goldfish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); celestial pearl danios need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–74°Celestial pearl danio 72–79°Fancy goldfish 65–74°
The green band is the temperature range both can live in.
456789Both: 7–7.5Celestial pearl danio 6.5–7.5Fancy goldfish 7–8
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inFancy goldfish · 6 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 danioFancy goldfish
Temperature72–79 °F65–74 °F
pH6.5–7.57–8
Adult size1.0 in6.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleAll levels
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Questions

Can celestial pearl danios live with fancy goldfish?

No. Celestial pearl danios and fancy goldfish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); celestial pearl danios need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both celestial pearl danios and fancy goldfish?

72–74 °F. Celestial pearl danios need 72–79 °F, fancy goldfish need 65–74 °F.

What size tank do celestial pearl danios and fancy goldfish need together?

At least 30 gal, set by the fancy goldfish. Add space for each extra fish.