Can kuhli loaches live with hillstream loaches?

Verdict
Yes, with care

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

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Hillstream loachHillstream loach68–75°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75°Kuhli loach 75–86°Hillstream loach 68–75°
The green band is the temperature range both can live in.
456789Both: 6.5–7Kuhli loach 5.5–7Hillstream loach 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inHillstream loach · 2.5 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

Kuhli loachHillstream loach
Temperature75–86 °F68–75 °F
pH5.5–76.5–7.5
Adult size3.5 in2.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 6+Groups of 3+
DietOmnivoreHerbivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for hillstream loaches

All hillstream loach tank mates

Questions

Can kuhli loaches live with hillstream loaches?

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

What temperature suits both kuhli loaches and hillstream loaches?

75–75 °F. Kuhli loaches need 75–86 °F, hillstream loaches need 68–75 °F.

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

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