Can platies and mollies live together?

Yes

Platies and mollies can share a tank. Their water needs overlap and neither is known to bother the other.

Platy Molly

Why

  • Their temperature and pH ranges overlap comfortably, and neither is known to nip, chase or eat the other.

What each one needs

PlatyMollyBoth
Temperature70–80°F (21–27°C)72–82°F (22–28°C)72–80°F (22–27°C)
pH7.0–8.27.5–8.57.5–8.2
Minimum tank10 gal (38 L)20 gal (76 L)20 gal (76 L)
Keep at least33
Adult size2.5 in (6.4 cm)4 in (10.2 cm)

The smallest tank for both

A 20 gallons (76 L) tank holds 3 platies and 3 mollies at about 68% of its stocking limit, which leaves room for more.

Try this pair in the planner

Other tank mates for platies

Other tank mates for mollies