AquaGuide

Can Betta Fish Live With Guppy?

not recommended35/100

Key Takeaways

  • Compatibility verdict: not recommended with a score of 35/100.
  • Use at least a 30 gallon tank for this combination.
  • Main risk: Betta will likely attack guppies.
  • Male guppies look like bettas and trigger aggression
  • Bettas often attack guppies

Compatibility Score Breakdown

Temperature Overlap
90
pH Overlap
80
Temperament
30
Size Risk
85
Swimming Level
50
Diet Conflict
90

Minimum Tank Size

At least 30 gallons for this combination.

Setup Tips

  • Not recommended together

Works Best If

  • The tank is at least 30 gallons and fully cycled.
  • Both species have hiding space and are introduced with close observation.
  • Water temperature and pH stay inside the overlap shown in the score breakdown.

Main Risks

  • Betta will likely attack guppies
  • Fin damage

Avoid This Pairing If

  • The tank is smaller than the recommended minimum.
  • Either species is already showing stress, hiding, or fin damage.
  • You cannot separate the fish quickly if chasing, nipping, or bullying starts.

Frequently Asked Questions

Can bettas live with guppies?

Not recommended. Male guppies look similar to bettas and often trigger aggressive attacks.

Related Tools

Sources and Review Process

  • Freshwater aquarium husbandry references for water quality, tank size, and stocking guidance.
  • Species profiles and compatibility rules maintained in the TankWise data set.
  • Aquarium health guidance is educational and should not replace an aquatic veterinarian for severe symptoms.

Related Compatibility Guides