Can rainbow sharks live with blood parrots?

Verdict
Yes

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

Rainbow sharkRainbow shark72–80°F · pH 6.5–7.5 Blood parrotBlood parrot76–80°F · pH 6.5–7.5

Why it works

Water side by side

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

Size to scale

Rainbow shark · 6 inBlood parrot · 8 in0"1"2"3"4"5"6"7"8"
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 sharkBlood parrot
Temperature72–80 °F76–80 °F
pH6.5–7.56.5–7.5
Adult size6.0 in8.0 in
Minimum tank55 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupOne per tankAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for rainbow sharks

All rainbow shark tank mates

Better tank mates for blood parrots

All blood parrot tank mates

Questions

Can rainbow sharks live with blood parrots?

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

What temperature suits both rainbow sharks and blood parrots?

76–80 °F. Rainbow sharks need 72–80 °F, blood parrots need 76–80 °F.

What size tank do rainbow sharks and blood parrots need together?

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