Can Betta Live With Red Rainbowfish?

Betta

Betta

Red Rainbowfish

Red Rainbowfish

Proceed With Caution

Compatibility Score: 60/100

The Verdict

Betta is aggressive and may harm the peaceful Red Rainbowfish

Tips for Success

  • Monitor closely for signs of aggression
  • Ideal temperature range: 76-77°F
  • Minimum recommended tank size: 55 gallons
  • These fish occupy different water levels, reducing territorial conflict

Side-by-Side Comparison

AttributeBettaRed Rainbowfish
Adult Size
3"5"
Temperature
76-82°F72-77°F
pH Range
6.5-7.57-8
Min Tank Size
5G55G
Temperamentaggressivepeaceful
Swim Leveltopmiddle
DietCarnivoreOmnivore

Recommended Tank Size

55+ gallons

Minimum for keeping these fish together

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