Can Betta Live With Black Molly?

Betta

Betta

Black Molly

Black Molly

Proceed With Caution

Compatibility Score: 60/100

The Verdict

Betta is aggressive and may harm the peaceful Black Molly

Tips for Success

  • Monitor closely for signs of aggression
  • Ideal temperature range: 76-82°F
  • Minimum recommended tank size: 21 gallons
  • These fish occupy different water levels, reducing territorial conflict

Side-by-Side Comparison

AttributeBettaBlack Molly
Adult Size
3"4"
Temperature
76-82°F72-82°F
pH Range
6.5-7.57.5-8.5
Min Tank Size
5G20G
Temperamentaggressivepeaceful
Swim Leveltopmiddle
DietCarnivoreOmnivore

Recommended Tank Size

21+ gallons

Minimum for keeping these fish together

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