Can Cardinal Tetra Live With Marbled Hatchetfish?

Cardinal Tetra and Marbled Hatchetfish are compatible tank mates!

Detailed Analysis

Known Pairing ✓ Compatible

Marbled Hatchetfish and Cardinal Tetra are known to coexist well.

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 5.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 1.5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Cardinal Tetra: middle, Marbled Hatchetfish: top), reducing conflict.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 18 gallons

ParameterCardinal TetraMarbled Hatchetfish
Temperature73–84°F75–82°F
pH5–75–7
Max Size2"1.5"
TemperamentPeacefulPeaceful
Swim LevelMiddleTop
Min Tank10 gal15 gal

Check More Combinations

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