Otocinclus and Percula Clownfish Compatibility Overview
Otocinclus 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: Otocinclus wants 6.0โ7.5 and Percula Clownfish wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Otocinclus | Percula Clownfish | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 74โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 6.0โ7.5 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 1.5 in | 3.0 in | โ ๏ธ 2.0ร difference |
| Min. Group | 4+ | 2+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Otocinclus โ Otocinclus spp.
Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.
โ Full Otocinclus 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 Otocinclus live with Percula Clownfish?
Generally not recommended. Otocinclus 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: Otocinclus wants 6.0โ7.5 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 Otocinclus and Percula Clownfish together?
A minimum of 20 gallons is recommended for keeping Otocinclus and Percula Clownfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Otocinclus and Percula Clownfish?
74โ82ยฐF โ inside Otocinclus's 72โ82ยฐF and Percula Clownfish's 74โ82ยฐF.
Is a Otocinclus aggressive toward a Percula Clownfish?
Otocinclus is peaceful and Percula Clownfish is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Otocinclus 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 | 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. |