Can Cardinal Tetra Live With Kuhli Loach?

Cardinal Tetra and Kuhli Loach are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–84°F.

pH ✓ Compatible

Good pH overlap at 5.5–7.0.

Size ✓ Compatible

Compatible sizes (2" and 4").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

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

Important Notes

  • Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
  • Kuhli Loach is a schooling fish and needs at least 5 of its kind.

Tank Requirements

Minimum tank size for this combination: 18 gallons

ParameterCardinal TetraKuhli Loach
Temperature73–84°F73–86°F
pH5–75.5–7
Max Size2"4"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal15 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.