Can bettas live with blood parrots?

Verdict
Yes

Yes. Bettas and blood parrots make a good pair. Both are fine at 76–80°F. Plan on at least 55 gal.

BettaBetta76–82°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°Betta 76–82°Blood parrot 76–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Blood parrot 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 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

BettaBlood parrot
Temperature76–82 °F76–80 °F
pH6.5–7.56.5–7.5
Adult size2.5 in8.0 in
Minimum tank5 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopMiddle
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for blood parrots

All blood parrot tank mates

Questions

Can bettas live with blood parrots?

Yes. Bettas and blood parrots make a good pair. Both are fine at 76–80°F. Plan on at least 55 gal.

What temperature suits both bettas and blood parrots?

76–80 °F. Bettas need 76–82 °F, blood parrots need 76–80 °F.

What size tank do bettas and blood parrots need together?

At least 55 gal, set by the blood parrot. Add space for each extra fish.