Pajama Cardinalfish and Peppered Cory Compatibility Overview
Pajama Cardinalfish and Peppered 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 Peppered Cory wants 6.0โ7.0. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Pajama Cardinalfish | Peppered Cory | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ79ยฐF | โ 72โ79ยฐF |
| pH Range | 8.1โ8.4 | 6.0โ7.0 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 3.5 in | 2.8 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
Peppered Cory โ Corydoras paleatus
The Peppered Cory is a popular freshwater fish known for its peaceful nature and unique appearance. They are suitable for beginners and can thrive in a community tank. These fish are small, reaching up to 7 cm in size, and are easily recognizable by their dark brown bodies with white spots.
Frequently Asked Questions
Can Pajama Cardinalfish live with Peppered Cory?
Generally not recommended. Pajama Cardinalfish and Peppered 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 Peppered Cory wants 6.0โ7.0. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Pajama Cardinalfish and Peppered Cory together?
A minimum of 55 gallons is recommended for keeping Pajama Cardinalfish and Peppered Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pajama Cardinalfish and Peppered Cory?
72โ79ยฐF โ inside Pajama Cardinalfish's 72โ82ยฐF and Peppered Cory's 72โ79ยฐF.
Is a Pajama Cardinalfish aggressive toward a Peppered Cory?
Pajama Cardinalfish is peaceful and Peppered Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pajama Cardinalfish and Peppered 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. |