Can hillstream loaches live with elephant nose fish?

Verdict
Yes

Yes, hillstream loaches and elephant nose fish can live together. Both are fine at 73–75°F. Plan on at least 55 gal.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Elephant nose fishElephant nose fish73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–75°Hillstream loach 68–75°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inElephant nose fish · 9 in0"1"2"3"4"5"6"7"8"9"
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 loachElephant nose fish
Temperature68–75 °F73–82 °F
pH6.5–7.56–7.5
Adult size2.5 in9.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupGroups of 3+Alone or in pairs
DietHerbivoreCarnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can hillstream loaches live with elephant nose fish?

Yes, hillstream loaches and elephant nose fish can live together. Both are fine at 73–75°F. Plan on at least 55 gal.

What temperature suits both hillstream loaches and elephant nose fish?

73–75 °F. Hillstream loaches need 68–75 °F, elephant nose fish need 73–82 °F.

What size tank do hillstream loaches and elephant nose fish need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.