Can red tail sharks live with celestial pearl danios?

Verdict
Yes, with care

Yes, with care. Red tail sharks and celestial pearl danios can share a tank, but watch one thing. At 5 inches a red tail shark can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

Red tail sharkRed tail shark72–79°F · pH 6.5–7.5 Celestial pearl danioCelestial pearl danio72–79°F · pH 6.5–7.5

What to watch

What works

Water side by side

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

Size to scale

Red tail shark · 5 inCelestial pearl danio · 1 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

Red tail sharkCelestial pearl danio
Temperature72–79 °F72–79 °F
pH6.5–7.56.5–7.5
Adult size5.0 in1.0 in
Minimum tank55 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupOne per tankGroups of 6+
DietOmnivoreOmnivore

Better tank mates for red tail sharks

All red tail shark tank mates

Better tank mates for celestial pearl danios

All celestial pearl danio tank mates

Questions

Can red tail sharks live with celestial pearl danios?

Yes, with care. Red tail sharks and celestial pearl danios can share a tank, but watch one thing. At 5 inches a red tail shark can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

What temperature suits both red tail sharks and celestial pearl danios?

72–79 °F. Red tail sharks need 72–79 °F, celestial pearl danios need 72–79 °F.

What size tank do red tail sharks and celestial pearl danios need together?

At least 55 gal, set by the red tail shark. Add space for each extra fish.