Can siamese algae eaters live with zebra loaches?

Verdict
Yes

Yes. Siamese algae eaters and zebra loaches get along in the same tank. Both are fine at 75–79°F. Plan on at least 30 gal.

Siamese algae eaterSiamese algae eater75–79°F · pH 6.5–7.5 Zebra loachZebra loach73–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Siamese algae eater 75–79°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Siamese algae eater 6.5–7.5Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Siamese algae eater · 6 inZebra loach · 3.5 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

Siamese algae eaterZebra loach
Temperature75–79 °F73–79 °F
pH6.5–7.56–7.5
Adult size6.0 in3.5 in
Minimum tank30 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 5+
DietHerbivoreOmnivore

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can siamese algae eaters live with zebra loaches?

Yes. Siamese algae eaters and zebra loaches get along in the same tank. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both siamese algae eaters and zebra loaches?

75–79 °F. Siamese algae eaters need 75–79 °F, zebra loaches need 73–79 °F.

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

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