Can mollies live with endlers?

Verdict
Yes

Yes. Mollies and endlers get along in the same tank. Both are fine at 72–82°F. Plan on at least 20 gal.

MollyMolly72–82°F · pH 7.5–8.5 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: 72–82°Molly 72–82°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7.5–8Molly 7.5–8.5Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Molly · 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

MollyEndler's livebearer
Temperature72–82 °F72–82 °F
pH7.5–8.57–8
Adult size4.0 in1.0 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atTopTop
GroupGroups of 3+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for mollies

All molly tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can mollies live with endlers?

Yes. Mollies and endlers get along in the same tank. Both are fine at 72–82°F. Plan on at least 20 gal.

What temperature suits both mollies and endlers?

72–82 °F. Mollies need 72–82 °F, endlers need 72–82 °F.

What size tank do mollies and endlers need together?

At least 20 gal, set by the molly. Add space for each extra fish.