Jewel Cichlid and Royal Gramma Compatibility Overview
Jewel Cichlid and Royal Gramma 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: Jewel Cichlid wants 6.0โ7.8 and Royal Gramma wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Jewel Cichlid | Royal Gramma | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ7.8 | 8.1โ8.4 | โ No overlap |
| Temperament | aggressive | semi | โ Risk |
| Adult Size | 5.9 in | 3.0 in | โ Similar |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Jewel Cichlid โ Hemichromis bimaculatus
The Jewel Cichlid, Hemichromis bimaculatus, is a vibrant and territorial fish popular in the aquarium trade. They require a spacious tank with hiding spots and can be moderately aggressive. With proper care, they can be a rewarding addition to the home aquarium.
โ Full Jewel Cichlid care guide
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.
Frequently Asked Questions
Can Jewel Cichlid live with Royal Gramma?
Generally not recommended. Jewel Cichlid and Royal Gramma 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: Jewel Cichlid wants 6.0โ7.8 and Royal Gramma wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Jewel Cichlid and Royal Gramma together?
A minimum of 55 gallons is recommended for keeping Jewel Cichlid and Royal Gramma together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Royal Gramma?
72โ82ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Royal Gramma's 72โ82ยฐF.
Is a Jewel Cichlid aggressive toward a Royal Gramma?
Jewel Cichlid is aggressive and Royal Gramma is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.
Related Compatibility Guides
Tank Size for Jewel Cichlid and Royal Gramma
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 | 100 gal | Best when keeping larger schools or reducing territorial pressure. |