Can guppies and mollies live together?
✓
Yes
Guppy and molly share water conditions and temperament, so they can live together in a tank of at least 20 gallons.
Temperature °F
Guppy
72–82
Molly
72–82
Both
72–82
pH
Guppy
6.8–8
Molly
7.5–8.5
Both
7.5–8
20 galsmallest tank for both
3 + 3minimum group of each
2″ / 4″adult size
Why
- ✓Both are comfortable at 72–82°F.
- ✓Both do well at pH 7.5–8.
Verdicts come from TankCoach's own species data and the same rules as the stocking calculator. Individual fish vary; watch new tankmates closely for the first days.
About these fish: Guppy · Molly