Can paradise fish live with zebra loaches?

Verdict
Yes

Yes, paradise fish and zebra loaches can live together. Both are fine at 73–79°F. Plan on at least 30 gal.

Paradise fishParadise fish61–79°F · pH 6–8 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°Paradise fish 61–79°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Paradise fish 6–8Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Paradise fish · 3.5 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

Paradise fishZebra loach
Temperature61–79 °F73–79 °F
pH6–86–7.5
Adult size3.5 in3.5 in
Minimum tank20 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupOne per tankGroups of 5+
DietOmnivoreOmnivore

Better tank mates for paradise fish

All paradise fish tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can paradise fish live with zebra loaches?

Yes, paradise fish and zebra loaches can live together. Both are fine at 73–79°F. Plan on at least 30 gal.

What temperature suits both paradise fish and zebra loaches?

73–79 °F. Paradise fish need 61–79 °F, zebra loaches need 73–79 °F.

What size tank do paradise fish and zebra loaches need together?

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