Can celestial pearl danios live with hatchetfish?

Verdict
Yes

Yes. Celestial pearl danios and hatchetfish 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 HatchetfishHatchetfish75–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Celestial pearl danio 72–79°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Celestial pearl danio 6.5–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inHatchetfish · 1.5 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 danioHatchetfish
Temperature72–79 °F75–81 °F
pH6.5–7.55.5–7.5
Adult size1.0 in1.5 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can celestial pearl danios live with hatchetfish?

Yes. Celestial pearl danios and hatchetfish 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 hatchetfish?

75–79 °F. Celestial pearl danios need 72–79 °F, hatchetfish need 75–81 °F.

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

At least 20 gal, set by the hatchetfish. Add space for each extra fish.