Can ember tetras live with zebra loaches?

Verdict
Yes

Yes. Ember tetras and zebra loaches get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

Ember tetraEmber tetra73–84°F · pH 5.5–7 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: 73–79°Ember tetra 73–84°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7Ember tetra 5.5–7Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Ember tetra · 0.8 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

Ember tetraZebra loach
Temperature73–84 °F73–79 °F
pH5.5–76–7.5
Adult size0.8 in3.5 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for ember tetras

All ember tetra tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can ember tetras live with zebra loaches?

Yes. Ember tetras and zebra loaches get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

What temperature suits both ember tetras and zebra loaches?

73–79 °F. Ember tetras need 73–84 °F, zebra loaches need 73–79 °F.

What size tank do ember tetras and zebra loaches need together?

At least 30 gal, set by the zebra loach. Add space for each extra fish.