Can celestial pearl danios live with flowerhorns?

Verdict
No

No. Celestial pearl danios and flowerhorns should not share a tank. No shared temperature. Celestial pearl danios need 72–79°F, flowerhorns need 80–89°F.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Celestial pearl danio 72–79°Flowerhorn 80–89°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 7–7.5Celestial pearl danio 6.5–7.5Flowerhorn 7–8
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inFlowerhorn · 12 in0"2"4"6"8"10"12"
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 danioFlowerhorn
Temperature72–79 °F80–89 °F
pH6.5–7.57–8
Adult size1.0 in12.0 in
Minimum tank10 gal75 gal
TemperamentPeacefulAggressive
Swims atMiddleMiddle
GroupGroups of 6+One per tank
DietOmnivoreCarnivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Questions

Can celestial pearl danios live with flowerhorns?

No. Celestial pearl danios and flowerhorns should not share a tank. No shared temperature. Celestial pearl danios need 72–79°F, flowerhorns need 80–89°F.

What temperature suits both celestial pearl danios and flowerhorns?

None. Celestial pearl danios need 72–79 °F and flowerhorns need 80–89 °F, so the ranges do not meet.

What size tank do celestial pearl danios and flowerhorns need together?

At least 75 gal, set by the flowerhorn. Add space for each extra fish.