Pajama Cardinalfish and Sterbai Cory Compatibility Overview
Pajama Cardinalfish and Sterbai Cory are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Pajama Cardinalfish wants 8.1โ8.4 and Sterbai Cory wants 6.0โ7.6. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Pajama Cardinalfish | Sterbai Cory | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 75โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 8.1โ8.4 | 6.0โ7.6 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 3.5 in | 2.6 in | โ Similar |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Pajama Cardinalfish โ Sphaeramia nematoptera
The Pajama Cardinalfish is a popular, beginner-friendly fish that can add a splash of color to your aquarium. They are generally peaceful and can be kept in a community tank. With moderate activity levels and a preference for undisturbed swimming spaces, they require a well-maintained water quality and a spacious tank.
โ Full Pajama Cardinalfish 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 Pajama Cardinalfish live with Sterbai Cory?
Generally not recommended. Pajama Cardinalfish and Sterbai Cory are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Pajama Cardinalfish wants 8.1โ8.4 and Sterbai Cory wants 6.0โ7.6. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Pajama Cardinalfish and Sterbai Cory together?
A minimum of 55 gallons is recommended for keeping Pajama Cardinalfish and Sterbai Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pajama Cardinalfish and Sterbai Cory?
75โ82ยฐF โ inside Pajama Cardinalfish's 72โ82ยฐF and Sterbai Cory's 75โ82ยฐF.
Is a Pajama Cardinalfish aggressive toward a Sterbai Cory?
Pajama Cardinalfish is peaceful and Sterbai Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pajama Cardinalfish 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 | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 125 gal | Best when keeping larger schools or reducing territorial pressure. |