๐Ÿ  Fish Compatibility Guide

Can Foxface Rabbitfish and Royal Gramma Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 65/100
65/100 โ€” Use Caution

Foxface Rabbitfish and Royal Gramma Compatibility Overview

Foxface Rabbitfish and Royal Gramma can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Foxface Rabbitfish and Royal Gramma
FactorFoxface RabbitfishRoyal GrammaVerdict
Temperature72โ€“82ยฐF72โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range8.1โ€“8.48.1โ€“8.4โš ๏ธ 8.1โ€“8.4 (narrow)
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size9.0 in3.0 inโš ๏ธ 3.0ร— difference
Min. Group1+1+See below
Min. Tank Size75 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

Their usable pH overlap is narrow and requires stable, tested water.

Species Profiles

Foxface Rabbitfish โ€” Siganus vulpinus

Foxface Rabbitfish and Royal Gramma compatibility โ€” Foxface Rabbitfish

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

Royal Gramma โ€” Gramma loreto

Foxface Rabbitfish and Royal Gramma compatibility โ€” Royal Gramma

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

Frequently Asked Questions

Can Foxface Rabbitfish live with Royal Gramma?

With significant caution and a larger tank. Foxface Rabbitfish and Royal Gramma can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Foxface Rabbitfish and Royal Gramma together?

A minimum of 75 gallons is recommended for keeping Foxface Rabbitfish and Royal Gramma together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Foxface Rabbitfish and Royal Gramma?

72โ€“82ยฐF โ€” inside Foxface Rabbitfish's 72โ€“82ยฐF and Royal Gramma's 72โ€“82ยฐF.

Is a Foxface Rabbitfish aggressive toward a Royal Gramma?

Foxface Rabbitfish is peaceful and Royal Gramma is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Foxface Rabbitfish and Royal Gramma

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable125 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community180 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup300 galBest when keeping larger schools or reducing territorial pressure.