Can rainbow sharks live with dojo loaches?

Verdict
Yes, with care

Yes, with care. Rainbow sharks and dojo loaches can share a tank, but watch one thing. Rainbow sharks chase other bottom fish out of their patch.

Rainbow sharkRainbow shark72–80°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°Rainbow shark 72–80°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Rainbow shark 6.5–7.5Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Rainbow shark · 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

Rainbow sharkDojo loach
Temperature72–80 °F59–77 °F
pH6.5–7.56.5–8
Adult size6.0 in6.0 in
Minimum tank55 gal55 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomBottom
GroupOne per tankGroups of 3+
DietOmnivoreOmnivore

Better tank mates for rainbow sharks

All rainbow shark tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can rainbow sharks live with dojo loaches?

Yes, with care. Rainbow sharks and dojo loaches can share a tank, but watch one thing. Rainbow sharks chase other bottom fish out of their patch.

What temperature suits both rainbow sharks and dojo loaches?

72–77 °F. Rainbow sharks need 72–80 °F, dojo loaches need 59–77 °F.

What size tank do rainbow sharks and dojo loaches need together?

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