Pajama Cardinalfish and Three Spot Gourami Compatibility Overview
Pajama Cardinalfish and Three Spot Gourami 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 | Three Spot Gourami | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 75โ86ยฐF | โ 75โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.5โ8.5 | โ ๏ธ 8.1โ8.4 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 3.5 in | 5.9 in | โ Similar |
| Min. Group | 3+ | 1+ | See below |
| Min. Tank Size | 75 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
Three Spot Gourami โ Trichopodus trichopterus
The Three Spot Gourami is a peaceful and attractive addition to freshwater tanks. They are known for their vibrant coloration and peaceful demeanor. With their flowing tails and distinctive body spots, they add visual interest to the aquarium. Providing a well-planted tank with hiding spots is crucial for their well-being.
Frequently Asked Questions
Can Pajama Cardinalfish live with Three Spot Gourami?
Generally not recommended. Pajama Cardinalfish and Three Spot Gourami 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 Three Spot Gourami together?
A minimum of 75 gallons is recommended for keeping Pajama Cardinalfish and Three Spot Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pajama Cardinalfish and Three Spot Gourami?
75โ82ยฐF โ inside Pajama Cardinalfish's 72โ82ยฐF and Three Spot Gourami's 75โ86ยฐF.
Is a Pajama Cardinalfish aggressive toward a Three Spot Gourami?
Pajama Cardinalfish is peaceful and Three Spot Gourami is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pajama Cardinalfish and Three Spot Gourami
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |