Can angelfish live with rainbow sharks?

Verdict
Yes

Yes. Angelfish and rainbow sharks get along in the same tank. Both are fine at 76–80°F. Plan on at least 55 gal.

AngelfishAngelfish76–84°F · pH 6–7.5 Rainbow sharkRainbow shark72–80°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–80°Angelfish 76–84°Rainbow shark 72–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Angelfish 6–7.5Rainbow shark 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Angelfish · 6 inRainbow shark · 6 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

AngelfishRainbow shark
Temperature76–84 °F72–80 °F
pH6–7.56.5–7.5
Adult size6.0 in6.0 in
Minimum tank30 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleBottom
GroupAlone or in pairsOne per tank
DietOmnivoreOmnivore

Better tank mates for angelfish

All angelfish tank mates

Better tank mates for rainbow sharks

All rainbow shark tank mates

Questions

Can angelfish live with rainbow sharks?

Yes. Angelfish and rainbow sharks get along in the same tank. Both are fine at 76–80°F. Plan on at least 55 gal.

What temperature suits both angelfish and rainbow sharks?

76–80 °F. Angelfish need 76–84 °F, rainbow sharks need 72–80 °F.

What size tank do angelfish and rainbow sharks need together?

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