Clown Loach and Pearl Danio Compatibility Overview
Clown Loach and Pearl Danio 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 | Pearl Danio | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 72โ79ยฐF | โ ๏ธ 77โ79ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 6.5โ7.5 | โ 6.5โ7.5 |
| 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
Pearl Danio โ Danio albolineatus
The Pearl Danio is a popular freshwater fish known for its shimmering blue and white colors. It is a peaceful community fish that can be kept in a tank with other peaceful species. These fish are moderately active and do not require a large tank. They are suitable for beginners due to their hardiness and ease of care.
Frequently Asked Questions
Can Clown Loach live with Pearl Danio?
Generally not recommended. Clown Loach and Pearl Danio 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 Pearl Danio together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Pearl Danio together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Pearl Danio?
77โ79ยฐF (narrow) โ inside Clown Loach's 77โ86ยฐF and Pearl Danio's 72โ79ยฐF.
Is a Clown Loach aggressive toward a Pearl Danio?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Loach and Pearl Danio
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. |