Can boesemani rainbowfish live with endlers?

Verdict
Yes

Yes, boesemani rainbowfish and endlers can live together. Both are fine at 75–82°F. Plan on at least 30 gal.

Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8 Endler's livebearerEndler's livebearer72–82°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Boesemani rainbowfish 75–82°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7–8Boesemani rainbowfish 7–8Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Boesemani rainbowfish · 4 inEndler's livebearer · 1 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

Boesemani rainbowfishEndler's livebearer
Temperature75–82 °F72–82 °F
pH7–87–8
Adult size4.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can boesemani rainbowfish live with endlers?

Yes, boesemani rainbowfish and endlers can live together. Both are fine at 75–82°F. Plan on at least 30 gal.

What temperature suits both boesemani rainbowfish and endlers?

75–82 °F. Boesemani rainbowfish need 75–82 °F, endlers need 72–82 °F.

What size tank do boesemani rainbowfish and endlers need together?

At least 30 gal, set by the boesemani rainbowfish. Add space for each extra fish.