Can bettas live with dojo loaches?

Verdict
Yes, with care

Yes, with care. Bettas and dojo loaches can share a tank, but watch one thing. They only share 76–77°F. Keep the heater set there and steady.

BettaBetta76–82°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: 76–77°Betta 76–82°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 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

BettaDojo loach
Temperature76–82 °F59–77 °F
pH6.5–7.56.5–8
Adult size2.5 in6.0 in
Minimum tank5 gal55 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupOne per tankGroups of 3+
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can bettas live with dojo loaches?

Yes, with care. Bettas and dojo loaches can share a tank, but watch one thing. They only share 76–77°F. Keep the heater set there and steady.

What temperature suits both bettas and dojo loaches?

76–77 °F. Bettas need 76–82 °F, dojo loaches need 59–77 °F.

What size tank do bettas and dojo loaches need together?

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