Can zebra danios live with mollies?

Verdict
Yes

Yes. Zebra danios and mollies get along in the same tank. Both are fine at 72–77°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Zebra danio 65–77°Molly 72–82°
The green band is the temperature range both can live in.
456789Both: 7.5–8Zebra danio 6.5–8Molly 7.5–8.5
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 inMolly · 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

Zebra danioMolly
Temperature65–77 °F72–82 °F
pH6.5–87.5–8.5
Adult size2.0 in4.0 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopTop
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for mollies

All molly tank mates

Questions

Can zebra danios live with mollies?

Yes. Zebra danios and mollies get along in the same tank. Both are fine at 72–77°F. Plan on at least 20 gal.

What temperature suits both zebra danios and mollies?

72–77 °F. Zebra danios need 65–77 °F, mollies need 72–82 °F.

What size tank do zebra danios and mollies need together?

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