Can discus live with dojo loaches?

Verdict
No

No. Discus and dojo loaches should not share a tank. No shared temperature. Discus need 82–88°F, dojo loaches need 59–77°F.

DiscusDiscus82–88°F · pH 5.5–7 Dojo loachDojo loach59–77°F · pH 6.5–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Discus 82–88°Dojo loach 59–77°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6.5–7Discus 5.5–7Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Discus · 6 inDojo loach · 6 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

DiscusDojo loach
Temperature82–88 °F59–77 °F
pH5.5–76.5–8
Adult size6.0 in6.0 in
Minimum tank55 gal55 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 5+Groups of 3+
DietCarnivoreOmnivore

Better tank mates for discus

All discus tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can discus live with dojo loaches?

No. Discus and dojo loaches should not share a tank. No shared temperature. Discus need 82–88°F, dojo loaches need 59–77°F.

What temperature suits both discus and dojo loaches?

None. Discus need 82–88 °F and dojo loaches need 59–77 °F, so the ranges do not meet.

What size tank do discus and dojo loaches need together?

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