Can Cardinal Tetra Live With Oscar?

Cardinal Tetra

Cardinal Tetra

Oscar

Oscar

Incompatible

Compatibility Score: 0/100

The Verdict

Oscar is aggressive and may harm the peaceful Cardinal Tetra

Large size difference - smaller fish may become prey

Oscars will eat any fish that fits in their mouth - Cardinal Tetra is at risk

Tips for Success

  • Ideal temperature range: 74-81°F
  • Minimum recommended tank size: 75 gallons

Side-by-Side Comparison

AttributeCardinal TetraOscar
Adult Size
2"14"
Temperature
73-81°F74-81°F
pH Range
5.5-76-8
Min Tank Size
15G75G
Temperamentpeacefulaggressive
Swim Levelmiddlemiddle
DietOmnivoreCarnivore

Recommended Tank Size

75+ gallons

Minimum for keeping these fish together

Also Compatible With Cardinal Tetra

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