Chili Rasbora and Royal Gramma Compatibility Overview
Chili Rasbora 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: Chili Rasbora wants 4.0โ7.0 and Royal Gramma wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Chili Rasbora | Royal Gramma | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 4.0โ7.0 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 0.8 in | 3.0 in | โ ๏ธ 3.8ร difference |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Chili Rasbora โ Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small โ only safe with fish too small to swallow them.
โ Full Chili Rasbora 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 Chili Rasbora live with Royal Gramma?
Generally not recommended. Chili Rasbora 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: Chili Rasbora wants 4.0โ7.0 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 Chili Rasbora and Royal Gramma together?
A minimum of 20 gallons is recommended for keeping Chili Rasbora and Royal Gramma together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Royal Gramma?
72โ82ยฐF โ inside Chili Rasbora's 68โ82ยฐF and Royal Gramma's 72โ82ยฐF.
Is a Chili Rasbora aggressive toward a Royal Gramma?
Chili Rasbora is peaceful and Royal Gramma is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Chili Rasbora 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 | 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. |