Can hillstream loaches live with blood parrots?

Verdict
No

No. Hillstream loaches and blood parrots should not share a tank. No shared temperature. Hillstream loaches need 68–75°F, blood parrots need 76–80°F.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Blood parrotBlood parrot76–80°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Hillstream loach 68–75°Blood parrot 76–80°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Blood parrot 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 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

Hillstream loachBlood parrot
Temperature68–75 °F76–80 °F
pH6.5–7.56.5–7.5
Adult size2.5 in8.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Alone or in pairs
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for blood parrots

All blood parrot tank mates

Questions

Can hillstream loaches live with blood parrots?

No. Hillstream loaches and blood parrots should not share a tank. No shared temperature. Hillstream loaches need 68–75°F, blood parrots need 76–80°F.

What temperature suits both hillstream loaches and blood parrots?

None. Hillstream loaches need 68–75 °F and blood parrots need 76–80 °F, so the ranges do not meet.

What size tank do hillstream loaches and blood parrots need together?

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