Julii Cory and Percula Clownfish Compatibility Overview
Julii Cory and Percula Clownfish 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: Julii Cory wants 5.5โ7.5 and Percula Clownfish wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Julii Cory | Percula Clownfish | Verdict |
|---|---|---|---|
| Temperature | 68โ79ยฐF | 74โ82ยฐF | โ 74โ79ยฐF |
| pH Range | 5.5โ7.5 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.2 in | 3.0 in | โ Similar |
| Min. Group | 6+ | 2+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Julii Cory โ Corydoras julii
The Julii Cory is a popular, peaceful bottom-dweller that thrives in community tanks. With a lifespan of up to 5 years, they are suitable for beginners and experienced aquarists alike. These fish are known for their dark brown coloration with distinctive white spots and a slender, flat body shape.
โ Full Julii Cory care guide
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.
Frequently Asked Questions
Can Julii Cory live with Percula Clownfish?
Generally not recommended. Julii Cory and Percula Clownfish 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: Julii Cory wants 5.5โ7.5 and Percula Clownfish wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Julii Cory and Percula Clownfish together?
A minimum of 20 gallons is recommended for keeping Julii Cory and Percula Clownfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Julii Cory and Percula Clownfish?
74โ79ยฐF โ inside Julii Cory's 68โ79ยฐF and Percula Clownfish's 74โ82ยฐF.
Is a Julii Cory aggressive toward a Percula Clownfish?
Julii Cory is peaceful and Percula Clownfish is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Julii Cory and Percula Clownfish
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 21 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |