Pajama Cardinalfish and Peacock Cichlid Compatibility Overview
Pajama Cardinalfish and Peacock Cichlid 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 usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Pajama Cardinalfish | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 73โ84ยฐF | โ 73โ82ยฐF |
| pH Range | 8.1โ8.4 | 7.5โ9.0 | โ ๏ธ 8.1โ8.4 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 3.5 in | 5.1 in | โ Similar |
| Min. Group | 3+ | 4+ | 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
Peacock Cichlid โ Aulonocara stuartgranti
The Peacock Cichlid, Aulonocara nyassae, is a stunning fish with vibrant blue and yellow colors. These fish are known for their aggression and require a mature and well-maintained tank. They are best kept in pairs or in a species-specific tank. Careful attention must be given to water parameters and tank setup to ensure their health and well-being.
Frequently Asked Questions
Can Pajama Cardinalfish live with Peacock Cichlid?
Generally not recommended. Pajama Cardinalfish and Peacock Cichlid 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 usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Pajama Cardinalfish and Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Pajama Cardinalfish and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pajama Cardinalfish and Peacock Cichlid?
73โ82ยฐF โ inside Pajama Cardinalfish's 72โ82ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Pajama Cardinalfish aggressive toward a Peacock Cichlid?
Pajama Cardinalfish is peaceful and Peacock Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pajama Cardinalfish and Peacock Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 64 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 90 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. |