Can hillstream loaches live with boesemani rainbowfish?

Verdict
Yes, with care

Yes, with care. Hillstream loaches and boesemani rainbowfish can share a tank, but watch one thing. They only share 75°F. Keep the heater set there and steady.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75°Hillstream loach 68–75°Boesemani rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Hillstream loach 6.5–7.5Boesemani rainbowfish 7–8
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inBoesemani rainbowfish · 4 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

Hillstream loachBoesemani rainbowfish
Temperature68–75 °F75–82 °F
pH6.5–7.57–8
Adult size2.5 in4.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can hillstream loaches live with boesemani rainbowfish?

Yes, with care. Hillstream loaches and boesemani rainbowfish can share a tank, but watch one thing. They only share 75°F. Keep the heater set there and steady.

What temperature suits both hillstream loaches and boesemani rainbowfish?

75–75 °F. Hillstream loaches need 68–75 °F, boesemani rainbowfish need 75–82 °F.

What size tank do hillstream loaches and boesemani rainbowfish need together?

At least 30 gal, set by the boesemani rainbowfish. Add space for each extra fish.