Can Axolotl Live With Cardinal Tetra?

Axolotl and Cardinal Tetra are NOT compatible tank mates.

Detailed Analysis

Temperature ✗ Not Compatible

No temperature overlap. Axolotl needs 60–68°F, but Cardinal Tetra needs 73–84°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✗ Not Compatible

Extreme size difference. Axolotl (12") may eat or bully Cardinal Tetra (2").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Axolotl: bottom, Cardinal Tetra: middle), reducing conflict.

Trait Conflict ✗ Not Compatible

Axolotl is a predator and may eat Cardinal Tetra.

Trait Conflict ✗ Not Compatible

Axolotl is a coldwater species and should not be kept with tropical fish like 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: 25 gallons

ParameterAxolotlCardinal Tetra
Temperature60–68°F73–84°F
pH6.5–85–7
Max Size12"2"
TemperamentPeacefulPeaceful
Swim LevelBottomMiddle
Min Tank20 gal10 gal

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