Can Cardinal Tetra Live With Peacock Bass?

Cardinal Tetra and Peacock Bass are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 76–84°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✗ Not Compatible

Extreme size difference. Peacock Bass (24") may eat or bully Cardinal Tetra (2").

Temperament ✗ Not Compatible

Cardinal Tetra (peaceful) is not compatible with Peacock Bass (aggressive). Aggression or stress is very likely.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Trait Conflict ✗ Not Compatible

Peacock Bass is a predator and may eat Cardinal Tetra.

Important Notes

  • Cardinal Tetra is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 125 gallons

ParameterCardinal TetraPeacock Bass
Temperature73–84°F76–86°F
pH5–76–7.5
Max Size2"24"
TemperamentPeacefulAggressive
Swim LevelMiddleMiddle
Min Tank10 gal125 gal

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