Can discus live with boesemani rainbowfish?

Verdict
Yes, with care

Yes, with care. Discus and boesemani rainbowfish can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

DiscusDiscus82–88°F · pH 5.5–7 Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8

What to watch

Water side by side

55°60°65°70°75°80°85°90°Both: 82°Discus 82–88°Boesemani rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7Discus 5.5–7Boesemani rainbowfish 7–8
The green band is the pH both tolerate.

Size to scale

Discus · 6 inBoesemani rainbowfish · 4 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

DiscusBoesemani rainbowfish
Temperature82–88 °F75–82 °F
pH5.5–77–8
Adult size6.0 in4.0 in
Minimum tank55 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 5+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for discus

All discus tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can discus live with boesemani rainbowfish?

Yes, with care. Discus and boesemani rainbowfish can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

What temperature suits both discus and boesemani rainbowfish?

82–82 °F. Discus need 82–88 °F, boesemani rainbowfish need 75–82 °F.

What size tank do discus and boesemani rainbowfish need together?

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