Can hillstream loaches live with bolivian rams?

Verdict
Yes

Yes, hillstream loaches and bolivian rams can live together. Both are fine at 72–75°F. Plan on at least 20 gal.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Bolivian ramBolivian ram72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–75°Hillstream loach 68–75°Bolivian ram 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inBolivian ram · 3 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 loachBolivian ram
Temperature68–75 °F72–79 °F
pH6.5–7.56–7.5
Adult size2.5 in3.0 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 3+Alone or in pairs
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can hillstream loaches live with bolivian rams?

Yes, hillstream loaches and bolivian rams can live together. Both are fine at 72–75°F. Plan on at least 20 gal.

What temperature suits both hillstream loaches and bolivian rams?

72–75 °F. Hillstream loaches need 68–75 °F, bolivian rams need 72–79 °F.

What size tank do hillstream loaches and bolivian rams need together?

At least 20 gal, set by the hillstream loach. Add space for each extra fish.