Percula Clownfish and Threadfin Rainbowfish Compatibility Overview
Percula Clownfish and Threadfin Rainbowfish 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: Percula Clownfish wants 8.1โ8.4 and Threadfin Rainbowfish wants 5.0โ8.0. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Percula Clownfish | Threadfin Rainbowfish | Verdict |
|---|---|---|---|
| Temperature | 74โ82ยฐF | 72โ86ยฐF | โ 74โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.0โ8.0 | โ No overlap |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 3.0 in | 1.6 in | โ Similar |
| Min. Group | 2+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
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
Threadfin Rainbowfish โ Iriatherina werneri
The Threadfin Rainbowfish is a popular choice for freshwater aquariums due to its vibrant colors and peaceful nature. It requires a well-maintained tank with plenty of swimming space and a moderate water flow. These fish are not known to be aggressive and can be kept in community tanks with other peaceful species.
Frequently Asked Questions
Can Percula Clownfish live with Threadfin Rainbowfish?
Generally not recommended. Percula Clownfish and Threadfin Rainbowfish 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: Percula Clownfish wants 8.1โ8.4 and Threadfin Rainbowfish wants 5.0โ8.0. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Percula Clownfish and Threadfin Rainbowfish together?
A minimum of 20 gallons is recommended for keeping Percula Clownfish and Threadfin Rainbowfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Percula Clownfish and Threadfin Rainbowfish?
74โ82ยฐF โ inside Percula Clownfish's 74โ82ยฐF and Threadfin Rainbowfish's 72โ86ยฐF.
Is a Percula Clownfish aggressive toward a Threadfin Rainbowfish?
Percula Clownfish is semi and Threadfin Rainbowfish is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Percula Clownfish and Threadfin Rainbowfish
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 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. |