Royal Gramma and Yoyo Loach Compatibility Overview
Royal Gramma and Yoyo Loach 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 Yoyo Loach wants 6.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Royal Gramma | Yoyo Loach | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 66โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 8.1โ8.4 | 6.0โ7.5 | โ No overlap |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 3.0 in | 6.3 in | โ ๏ธ 2.1ร difference |
| Min. Group | 1+ | 5+ | See below |
| Min. Tank Size | 75 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
Yoyo Loach โ Botia almorhae
The Yoyo Loach is a popular freshwater species known for its striking black and white coloration. They are peaceful and make great community fish, though they may be shy and require a well-established tank with ample hiding spots. These loaches are moderately active and do well in a tank with plenty of room to swim.
Frequently Asked Questions
Can Royal Gramma live with Yoyo Loach?
Generally not recommended. Royal Gramma and Yoyo Loach 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 Yoyo Loach wants 6.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Royal Gramma and Yoyo Loach together?
A minimum of 75 gallons is recommended for keeping Royal Gramma and Yoyo Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Royal Gramma and Yoyo Loach?
72โ82ยฐF โ inside Royal Gramma's 72โ82ยฐF and Yoyo Loach's 66โ82ยฐF.
Is a Royal Gramma aggressive toward a Yoyo Loach?
Royal Gramma is semi and Yoyo Loach is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Royal Gramma and Yoyo Loach
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. |