Can celestial pearl danios live with otocinclus?

Verdict
Yes

Yes, celestial pearl danios and otocinclus can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5 OtocinclusOtocinclus72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Celestial pearl danio 72–79°Otocinclus 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Celestial pearl danio 6.5–7.5Otocinclus 6–7.5
The green band is the pH both tolerate.

Size to scale

Celestial pearl danio · 1 inOtocinclus · 2 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 danioOtocinclus
Temperature72–79 °F72–79 °F
pH6.5–7.56–7.5
Adult size1.0 in2.0 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Groups of 6+
DietOmnivoreHerbivore

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Better tank mates for otocinclus

All otocinclus tank mates

Questions

Can celestial pearl danios live with otocinclus?

Yes, celestial pearl danios and otocinclus can live together. Both are fine at 72–79°F. Plan on at least 20 gal.

What temperature suits both celestial pearl danios and otocinclus?

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

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

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