Can hillstream loaches live with clown loaches?

Verdict
No

No. Hillstream loaches and clown loaches should not share a tank. No shared temperature. Hillstream loaches need 68–75°F, clown loaches need 77–86°F.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Hillstream loach 68–75°Clown loach 77–86°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Clown loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inClown loach · 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 loachClown loach
Temperature68–75 °F77–86 °F
pH6.5–7.56–7.5
Adult size2.5 in8.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 3+Groups of 5+
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for clown loaches

All clown loach tank mates

Questions

Can hillstream loaches live with clown loaches?

No. Hillstream loaches and clown loaches should not share a tank. No shared temperature. Hillstream loaches need 68–75°F, clown loaches need 77–86°F.

What temperature suits both hillstream loaches and clown loaches?

None. Hillstream loaches need 68–75 °F and clown loaches need 77–86 °F, so the ranges do not meet.

What size tank do hillstream loaches and clown loaches need together?

At least 75 gal, set by the clown loach. Add space for each extra fish.