Can Oscar Live With Red Rainbowfish?

Oscar

Oscar

Red Rainbowfish

Red Rainbowfish

Incompatible

Compatibility Score: 0/100

The Verdict

Oscar is aggressive and may harm the peaceful Red Rainbowfish

Large size difference - smaller fish may become prey

Oscars will eat any fish that fits in their mouth - Red Rainbowfish is at risk

Tips for Success

  • Ideal temperature range: 74-77°F
  • Minimum recommended tank size: 75 gallons

Side-by-Side Comparison

AttributeOscarRed Rainbowfish
Adult Size
14"5"
Temperature
74-81°F72-77°F
pH Range
6-87-8
Min Tank Size
75G55G
Temperamentaggressivepeaceful
Swim Levelmiddlemiddle
DietCarnivoreOmnivore

Recommended Tank Size

75+ gallons

Minimum for keeping these fish together

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