Can celestial pearl danios live with swordtails?

Verdict
Yes, with care

Yes, with care. Celestial pearl danios and swordtails can share a tank, but watch one thing. At 5 inches a swordtail can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5 SwordtailSwordtail72–79°F · pH 7–8.3

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Celestial pearl danio 72–79°Swordtail 72–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Celestial pearl danio 6.5–7.5Swordtail 7–8.3
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inSwordtail · 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 danioSwordtail
Temperature72–79 °F72–79 °F
pH6.5–7.57–8.3
Adult size1.0 in5.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Better tank mates for swordtails

All swordtail tank mates

Questions

Can celestial pearl danios live with swordtails?

Yes, with care. Celestial pearl danios and swordtails can share a tank, but watch one thing. At 5 inches a swordtail can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

What temperature suits both celestial pearl danios and swordtails?

72–79 °F. Celestial pearl danios need 72–79 °F, swordtails need 72–79 °F.

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

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