Percula Clownfish and Watchman Goby Compatibility Overview
Percula Clownfish and Watchman Goby can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
| Factor | Percula Clownfish | Watchman Goby | Verdict |
|---|---|---|---|
| Temperature | 74โ82ยฐF | 72โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 8.1โ8.4 | 8.1โ8.4 | โ ๏ธ 8.1โ8.4 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 3.0 in | 4.0 in | โ Similar |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 40 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Percula Clownfish โ Amphiprion percula
The Percula Clownfish, also known as the False Percula, is a popular beginner fish due to its hardiness and striking coloration. These fish are best kept in a saltwater tank with a minimum size of 30 gallons and compatible tankmates. They are peaceful, non-aggressive and do well in groups with other compatible species.
โ Full Percula Clownfish care guide
Watchman Goby โ Cryptocentrus cinctus
The Watchman Goby is a peaceful and colorful addition to the marine aquarium. It is known for its slender body and distinctive yellow and dark spot pattern. These gobies are often found in pairs or small groups and require a well-maintained saltwater tank with plenty of hiding spots. With proper care, they can thrive for several years.
Frequently Asked Questions
Can Percula Clownfish live with Watchman Goby?
With significant caution and a larger tank. Percula Clownfish and Watchman Goby can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Percula Clownfish and Watchman Goby together?
A minimum of 40 gallons is recommended for keeping Percula Clownfish and Watchman Goby together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Percula Clownfish and Watchman Goby?
74โ82ยฐF โ inside Percula Clownfish's 74โ82ยฐF and Watchman Goby's 72โ82ยฐF.
Is a Percula Clownfish aggressive toward a Watchman Goby?
Percula Clownfish is semi and Watchman Goby is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Percula Clownfish and Watchman Goby
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 40 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. |