Can severums live with zebra loaches?

Verdict

Yes

Yes. Severums and zebra loaches get along in the same tank. Both are fine at 74–79°F. Plan on at least 55 gal.

Why it works

Both are fine at 74–79°F.
pH 6–7 suits both.
They use different parts of the tank: severums the mid, zebra loaches the bottom.

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

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.

Can severums live with zebra loaches?

Yes. Severums and zebra loaches get along in the same tank. Both are fine at 74–79°F. Plan on at least 55 gal.

What temperature suits both severums and zebra loaches?

74–79 °F. Severums need 74–84 °F, zebra loaches need 73–79 °F.

What size tank do severums and zebra loaches need together?

At least 55 gal, set by the severum. Add space for each extra fish.