Can Jack Dempsey Live With Japanese Ricefish?

Jack Dempsey

Jack Dempsey

Japanese Ricefish

Japanese Ricefish

Incompatible

Compatibility Score: 20/100

The Verdict

Jack Dempsey is aggressive and may harm the peaceful Japanese Ricefish

Large size difference - smaller fish may become prey

Tips for Success

  • Ideal temperature range: 72-75°F
  • Minimum recommended tank size: 55 gallons
  • These fish occupy different water levels, reducing territorial conflict

Side-by-Side Comparison

AttributeJack DempseyJapanese Ricefish
Adult Size
10"1.5"
Temperature
72-86°F64-75°F
pH Range
6.5-86.5-8
Min Tank Size
55G10G
Temperamentaggressivepeaceful
Swim Levelmiddletop
DietCarnivoreOmnivore

Recommended Tank Size

55+ gallons

Minimum for keeping these fish together

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