Can platies live with endlers?

Verdict
Yes

Yes, platies and endlers can live together. Both are fine at 72–80°F. Plan on at least 10 gal.

PlatyPlaty70–80°F · pH 7–8.2 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: 72–80°Platy 70–80°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7–8Platy 7–8.2Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Platy · 2.5 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

PlatyEndler's livebearer
Temperature70–80 °F72–82 °F
pH7–8.27–8
Adult size2.5 in1.0 in
Minimum tank10 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 3+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for platies

All platy tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can platies live with endlers?

Yes, platies and endlers can live together. Both are fine at 72–80°F. Plan on at least 10 gal.

What temperature suits both platies and endlers?

72–80 °F. Platies need 70–80 °F, endlers need 72–82 °F.

What size tank do platies and endlers need together?

At least 10 gal, set by the platy. Add space for each extra fish.