Can hillstream loaches live with assassin snails?

Verdict
Yes, with care

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

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Assassin snailAssassin snail75–80°F · pH 7–8

What to watch

What works

Water side by side

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

Size to scale

Hillstream loach · 2.5 inAssassin snail · 1 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 loachAssassin snail
Temperature68–75 °F75–80 °F
pH6.5–7.57–8
Adult size2.5 in1.0 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
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 assassin snails

All assassin snail tank mates

Questions

Can hillstream loaches live with assassin snails?

Yes, with care. Hillstream loaches and assassin snails 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 assassin snails?

75–75 °F. Hillstream loaches need 68–75 °F, assassin snails need 75–80 °F.

What size tank do hillstream loaches and assassin snails need together?

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