Can chili rasboras live with zebra loaches?

Verdict
Yes

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

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Chili rasbora 75–82°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7Chili rasbora 4–7Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Chili rasbora · 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

Chili rasboraZebra loach
Temperature75–82 °F73–79 °F
pH4–76–7.5
Adult size0.8 in3.5 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 8+Groups of 5+
DietCarnivoreOmnivore

Better tank mates for chili rasboras

All chili rasbora tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can chili rasboras live with zebra loaches?

Yes. Chili rasboras 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 chili rasboras and zebra loaches?

75–79 °F. Chili rasboras need 75–82 °F, zebra loaches need 73–79 °F.

What size tank do chili rasboras and zebra loaches need together?

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