Can rainbow sharks live with zebra danios?

Verdict
Yes

Yes, rainbow sharks and zebra danios can live together. Both are fine at 72–77°F. Plan on at least 55 gal.

Rainbow sharkRainbow shark72–80°F · pH 6.5–7.5 Zebra danioZebra danio65–77°F · pH 6.5–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Rainbow shark 72–80°Zebra danio 65–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Rainbow shark 6.5–7.5Zebra danio 6.5–8
The green band is the pH both tolerate.

Size to scale

Rainbow shark · 6 inZebra danio · 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

Rainbow sharkZebra danio
Temperature72–80 °F65–77 °F
pH6.5–7.56.5–8
Adult size6.0 in2.0 in
Minimum tank55 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupOne per tankGroups of 6+
DietOmnivoreOmnivore

Better tank mates for rainbow sharks

All rainbow shark tank mates

Better tank mates for zebra danios

All zebra danio tank mates

Questions

Can rainbow sharks live with zebra danios?

Yes, rainbow sharks and zebra danios can live together. Both are fine at 72–77°F. Plan on at least 55 gal.

What temperature suits both rainbow sharks and zebra danios?

72–77 °F. Rainbow sharks need 72–80 °F, zebra danios need 65–77 °F.

What size tank do rainbow sharks and zebra danios need together?

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