Clown Loach and Fire Eel Compatibility Overview
Clown Loach and Fire Eel are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Clown Loach | Fire Eel | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 75โ82ยฐF | โ 77โ82ยฐF |
| pH Range | 6.0โ7.5 | 6.0โ7.0 | โ 6.0โ7.0 |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 12 in | 39.4 in | โ ๏ธ 3.3ร difference |
| Min. Group | 5+ | 1+ | 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
Fire Eel โ Mastacembelus erythrotaenia
The Fire Eel is a stunning, red-bottomed species that requires a spacious tank. They are peaceful bottom feeders and do best in a well-planted, mature aquarium. With a moderate activity level, they can be a great addition to a community tank, but their size and diet may be incompatible with smaller fish.
Frequently Asked Questions
Can Clown Loach live with Fire Eel?
Generally not recommended. Clown Loach and Fire Eel are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Clown Loach and Fire Eel together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Fire Eel together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Fire Eel?
77โ82ยฐF โ inside Clown Loach's 77โ86ยฐF and Fire Eel's 75โ82ยฐF.
Is a Clown Loach aggressive toward a Fire Eel?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Loach and Fire Eel
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 114 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 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. |