Can Cardinal Tetra Live With Polka Dot Loach?

Cardinal Tetra and Polka Dot Loach are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✓ Compatible

Compatible sizes (2" and 5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

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

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 30 gallons

ParameterCardinal TetraPolka Dot Loach
Temperature73–84°F75–82°F
pH5–76–7
Max Size2"5"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal30 gal

Check More Combinations

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