Royal Gramma and Serpae Tetra Compatibility Overview
Royal Gramma and Serpae Tetra 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: Royal Gramma wants 8.1โ8.4 and Serpae Tetra wants 5.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Royal Gramma | Serpae Tetra | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.0โ7.5 | โ No overlap |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 3.0 in | 1.6 in | โ Similar |
| Min. Group | 1+ | 10+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Royal Gramma โ Gramma loreto
The Royal Gramma, known for its vibrant blue coloration, is a popular saltwater fish among beginners and experienced aquarists alike. It requires a well-maintained tank with plenty of swimming space and a moderate current. With a peaceful temperament and a relatively easy care routine, the Royal Gramma can be a great addition to a community tank.
โ Full Royal Gramma care guide
Serpae Tetra โ Hyphessobrycon eques
The Serpae Tetra is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks and can be a great addition to any aquarium. With its moderate activity level and easy care requirements, it is a suitable choice for beginners and experienced aquarists alike.
Frequently Asked Questions
Can Royal Gramma live with Serpae Tetra?
Generally not recommended. Royal Gramma and Serpae Tetra 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: Royal Gramma wants 8.1โ8.4 and Serpae Tetra wants 5.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Royal Gramma and Serpae Tetra together?
A minimum of 20 gallons is recommended for keeping Royal Gramma and Serpae Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Royal Gramma and Serpae Tetra?
72โ82ยฐF โ inside Royal Gramma's 72โ82ยฐF and Serpae Tetra's 68โ82ยฐF.
Is a Royal Gramma aggressive toward a Serpae Tetra?
Royal Gramma is semi and Serpae Tetra is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Royal Gramma and Serpae Tetra
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 30 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 55 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 75 gal | Best when keeping larger schools or reducing territorial pressure. |