Can bichirs live with dojo loaches?

Verdict
Yes

Yes. Bichirs and dojo loaches get along in the same tank. Both are fine at 72–77°F. Plan on at least 75 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Bichir 72–82°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bichir 6.5–7.5Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Bichir · 12 inDojo loach · 6 in0"2"4"6"8"10"12"
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

BichirDojo loach
Temperature72–82 °F59–77 °F
pH6.5–7.56.5–8
Adult size12.0 in6.0 in
Minimum tank75 gal55 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 3+
DietCarnivoreOmnivore

Better tank mates for bichirs

All bichir tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can bichirs live with dojo loaches?

Yes. Bichirs and dojo loaches get along in the same tank. Both are fine at 72–77°F. Plan on at least 75 gal.

What temperature suits both bichirs and dojo loaches?

72–77 °F. Bichirs need 72–82 °F, dojo loaches need 59–77 °F.

What size tank do bichirs and dojo loaches need together?

At least 75 gal, set by the bichir. Add space for each extra fish.