Can jack dempseys live with dojo loaches?

Verdict
No

No. Jack dempseys and dojo loaches should not share a tank. Jack dempseys are aggressive and will bully peaceful dojo loaches.

Jack DempseyJack Dempsey72–86°F · pH 6.5–7.5 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°Both: 72–77°Jack Dempsey 72–86°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Jack Dempsey 6.5–7.5Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Jack Dempsey · 10 inDojo loach · 6 in0"2"4"6"8"10"
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

Jack DempseyDojo loach
Temperature72–86 °F59–77 °F
pH6.5–7.56.5–8
Adult size10.0 in6.0 in
Minimum tank55 gal55 gal
TemperamentAggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsGroups of 3+
DietCarnivoreOmnivore

Better tank mates for jack dempseys

All jack dempsey tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can jack dempseys live with dojo loaches?

No. Jack dempseys and dojo loaches should not share a tank. Jack dempseys are aggressive and will bully peaceful dojo loaches.

What temperature suits both jack dempseys and dojo loaches?

72–77 °F. Jack dempseys need 72–86 °F, dojo loaches need 59–77 °F.

What size tank do jack dempseys and dojo loaches need together?

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