Clown Loach and Corydoras Compatibility Overview
Clown Loach and Corydoras Catfish are generally not recommended to be housed together. Both occupy the bottom; monitor for competition but usually peaceful. 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 | Corydoras Catfish | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 70โ79ยฐF | โ ๏ธ 77โ79ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 6.0โ8.0 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 12 in | 2.5 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
Corydoras Catfish โ Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
Frequently Asked Questions
Can Clown Loach live with Corydoras Catfish?
Generally not recommended. Clown Loach and Corydoras Catfish are generally not recommended to be housed together. Both occupy the bottom; monitor for competition but usually peaceful. 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 Corydoras Catfish together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Corydoras Catfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Corydoras Catfish?
77โ79ยฐF (narrow) โ inside Clown Loach's 77โ86ยฐF and Corydoras Catfish's 70โ79ยฐF.
Is a Clown Loach aggressive toward a Corydoras Catfish?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Loach and Corydoras
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. |