Can hillstream loaches live with siamese algae eaters?

Verdict
Yes, with care

Yes, with care. Hillstream loaches and siamese algae eaters 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 Siamese algae eaterSiamese algae eater75–79°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°Hillstream loach 68–75°Siamese algae eater 75–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Siamese algae eater 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inSiamese algae eater · 6 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 loachSiamese algae eater
Temperature68–75 °F75–79 °F
pH6.5–7.56.5–7.5
Adult size2.5 in6.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 3+Alone or in pairs
DietHerbivoreHerbivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Questions

Can hillstream loaches live with siamese algae eaters?

Yes, with care. Hillstream loaches and siamese algae eaters 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 siamese algae eaters?

75–75 °F. Hillstream loaches need 68–75 °F, siamese algae eaters need 75–79 °F.

What size tank do hillstream loaches and siamese algae eaters need together?

At least 30 gal, set by the siamese algae eater. Add space for each extra fish.