Clown Loach and Hillstream Loach Compatibility Overview
Clown Loach and Hillstream Loach are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. There is no shared temperature: Clown Loach needs 77โ86ยฐF and Hillstream Loach needs 68โ75ยฐF. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Clown Loach | Hillstream Loach | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 68โ75ยฐF | โ No overlap |
| pH Range | 6.0โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 12 in | 2.6 in | โ 5ร difference |
| Min. Group | 5+ | 4+ | 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
Hillstream Loach โ Sewellia lineolata
Sewellia lineolata, known as the Hillstream Loach, is a fascinating species for aquarists. These fish require a well-oxygenated, clear water environment with plenty of hiding spots. With a lifespan of 7 years, they are a long-term commitment. Their olive green color and slender body shape add a unique aesthetic to the tank.
Frequently Asked Questions
Can Clown Loach live with Hillstream Loach?
Generally not recommended. Clown Loach and Hillstream Loach are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. There is no shared temperature: Clown Loach needs 77โ86ยฐF and Hillstream Loach needs 68โ75ยฐF. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Clown Loach and Hillstream Loach together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Hillstream Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Hillstream Loach?
There is no safe shared range: Clown Loach needs 77โ86ยฐF and Hillstream Loach needs 68โ75ยฐF.
Is a Clown Loach aggressive toward a Hillstream Loach?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Loach and Hillstream Loach
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. |