Foxface Rabbitfish and Hillstream Loach Compatibility Overview
Foxface Rabbitfish and Hillstream 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: Foxface Rabbitfish wants 8.1โ8.4 and Hillstream Loach wants 6.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Foxface Rabbitfish | Hillstream Loach | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ75ยฐF | โ ๏ธ 72โ75ยฐF (narrow) |
| pH Range | 8.1โ8.4 | 6.0โ7.5 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 9.0 in | 2.6 in | โ ๏ธ 3.5ร difference |
| Min. Group | 1+ | 4+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Foxface Rabbitfish โ Siganus vulpinus
The Foxface Rabbitfish is a vibrant and peaceful addition to the marine aquarium. With its striking yellow coloration and dark spots, it adds a splash of color to the tank. They are known for their gregarious nature and can be kept in groups of 2-3. This species is suitable for beginners and intermediate aquarists.
โ Full Foxface Rabbitfish care guide
Hillstream Loach โ Sewellia lineolata
Sewellia lineolata, known as the Hillstream Loach, is a fascinating species for aquarists. These fish require a well-oxygenated, clear water environment with plenty of hiding spots. With a lifespan of 7 years, they are a long-term commitment. Their olive green color and slender body shape add a unique aesthetic to the tank.
Frequently Asked Questions
Can Foxface Rabbitfish live with Hillstream Loach?
Generally not recommended. Foxface Rabbitfish and Hillstream 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: Foxface Rabbitfish wants 8.1โ8.4 and Hillstream 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 Foxface Rabbitfish and Hillstream Loach together?
A minimum of 100 gallons is recommended for keeping Foxface Rabbitfish and Hillstream Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Foxface Rabbitfish and Hillstream Loach?
72โ75ยฐF (narrow) โ inside Foxface Rabbitfish's 72โ82ยฐF and Hillstream Loach's 68โ75ยฐF.
Is a Foxface Rabbitfish aggressive toward a Hillstream Loach?
Foxface Rabbitfish is peaceful and Hillstream Loach is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Foxface Rabbitfish and Hillstream Loach
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 125 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 300 gal | Best when keeping larger schools or reducing territorial pressure. |