Cardinal Tetra and Sterbai Cory Compatibility Overview
Cardinal Tetra and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Cardinal Tetra | Sterbai Cory | Verdict |
|---|---|---|---|
| Temperature | 73โ82ยฐF | 75โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 4.5โ7.0 | 6.0โ7.6 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.5 in | 2.6 in | โ Similar |
| Min. Group | 6+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Cardinal Tetra โ Paracheirodon axelrodi
Brilliant red-and-blue schooling fish from the Rio Negro. Prefers soft, acidic, warm water โ a natural companion for discus.
โ Full Cardinal Tetra care guide
Sterbai Cory โ Corydoras sterbai
The Sterbai Cory, known for its dark brown coloration with silver spots, is a popular bottom-dwelling fish. With a peaceful temperament, it is well-suited for community tanks. It requires a well-planted tank with plenty of hiding spots and moderate water flow. Regular water changes and a balanced diet are essential for their health.
Frequently Asked Questions
Can Cardinal Tetra live with Sterbai Cory?
Yes, in a well-planned setup. Cardinal Tetra and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Cardinal Tetra and Sterbai Cory together?
A minimum of 20 gallons is recommended for keeping Cardinal Tetra and Sterbai Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cardinal Tetra and Sterbai Cory?
75โ82ยฐF โ inside Cardinal Tetra's 73โ82ยฐF and Sterbai Cory's 75โ82ยฐF.
Is a Cardinal Tetra aggressive toward a Sterbai Cory?
Cardinal Tetra is peaceful and Sterbai Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Cardinal Tetra and Sterbai Cory
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |