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Can Guppy and Molly Live Together?

Compatible
  • Shared temperature window: 72-82°F.
  • Shared pH window: 7.5-8.0.

Side-by-side

ParameterGuppyMolly
Adult size2"4"
Min tank10 gal20 gal
Temperature72-82°F72-82°F
pH7-87.5-8.5
TemperamentPeacefulPeaceful
DietOmnivoreOmnivore

Recommended shared tank: 20 gallons or larger. Keep at 72-82°F. Target pH 7.5-8.0.

FAQ

Can Guppy and Molly live together?

Compatible. Shared temperature window: 72-82°F.

What size tank do Guppy and Molly need together?

Plan for at least 20 gallons, more if you keep schooling groups of either species.

See full care guides: Guppy · Molly