Can apistogramma live with dojo loaches?

Verdict
Yes

Yes. Apistogramma and dojo loaches make a good pair. Both are fine at 75–77°F. Plan on at least 55 gal.

ApistogrammaApistogramma75–84°F · pH 5–7 Dojo loachDojo loach59–77°F · pH 6.5–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–77°Apistogramma 75–84°Dojo loach 59–77°
The green band is the temperature range both can live in.
456789Both: 6.5–7Apistogramma 5–7Dojo loach 6.5–8
The green band is the pH both tolerate.

Size to scale

Apistogramma · 3 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

ApistogrammaDojo loach
Temperature75–84 °F59–77 °F
pH5–76.5–8
Adult size3.0 in6.0 in
Minimum tank20 gal55 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 3+
DietCarnivoreOmnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for dojo loaches

All dojo loach tank mates

Questions

Can apistogramma live with dojo loaches?

Yes. Apistogramma and dojo loaches make a good pair. Both are fine at 75–77°F. Plan on at least 55 gal.

What temperature suits both apistogramma and dojo loaches?

75–77 °F. Apistogramma need 75–84 °F, dojo loaches need 59–77 °F.

What size tank do apistogramma and dojo loaches need together?

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