Can Cardinal Tetra Live With Striped Raphael Catfish?

Cardinal Tetra and Striped Raphael Catfish CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ⚠ Use Caution

Significant size difference (7" vs 2"). Striped Raphael Catfish may bully or stress Cardinal Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

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

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 30 gallons

ParameterCardinal TetraStriped Raphael Catfish
Temperature73–84°F72–82°F
pH5–76–7.5
Max Size2"7"
TemperamentPeacefulPeaceful
Swim LevelMiddleBottom
Min Tank10 gal30 gal

Check More Combinations

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