Moonlight Gourami and Royal Gramma Compatibility Overview
Moonlight Gourami 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: Moonlight Gourami wants 6.0โ7.5 and Royal Gramma wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Moonlight Gourami | Royal Gramma | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 72โ82ยฐF | โ 77โ82ยฐF |
| pH Range | 6.0โ7.5 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 5.9 in | 3.0 in | โ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Moonlight Gourami โ Trichopodus microlepis
The Moonlight Gourami is a beautiful freshwater fish known for its silvery blue color and red eyes. It is a peaceful community fish suitable for beginners and can thrive in a well-maintained aquarium. These fish are sensitive to water quality and require a spacious tank with plenty of swimming space.
โ Full Moonlight Gourami 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 Moonlight Gourami live with Royal Gramma?
Generally not recommended. Moonlight Gourami 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: Moonlight Gourami wants 6.0โ7.5 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 Moonlight Gourami and Royal Gramma together?
A minimum of 55 gallons is recommended for keeping Moonlight Gourami and Royal Gramma together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Moonlight Gourami and Royal Gramma?
77โ82ยฐF โ inside Moonlight Gourami's 77โ86ยฐF and Royal Gramma's 72โ82ยฐF.
Is a Moonlight Gourami aggressive toward a Royal Gramma?
Moonlight Gourami is peaceful and Royal Gramma is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Moonlight Gourami 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. |