Clown Loach and Julii Cory Compatibility Overview
Clown Loach and Julii Cory are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 77โ79ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Clown Loach | Julii Cory | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 68โ79ยฐF | โ ๏ธ 77โ79ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 5.5โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 12 in | 2.2 in | โ 5ร difference |
| Min. Group | 5+ | 6+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Clown Loach โ Chromobotia macracanthus
Striking striped loach that grows very large. Peaceful with fish but will eat shrimp, snails and tiny fish.
โ Full Clown Loach care guide
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.
Frequently Asked Questions
Can Clown Loach live with Julii Cory?
Generally not recommended. Clown Loach and Julii Cory are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 77โ79ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Clown Loach and Julii Cory together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Julii Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Julii Cory?
77โ79ยฐF (narrow) โ inside Clown Loach's 77โ86ยฐF and Julii Cory's 68โ79ยฐF.
Is a Clown Loach aggressive toward a Julii Cory?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Loach and Julii Cory
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 220 gal | Best when keeping larger schools or reducing territorial pressure. |