Clown Loach and Silver Arowana Compatibility Overview
Clown Loach and Silver Arowana can potentially coexist, but the combination requires careful attention. Clown Loach is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
| Factor | Clown Loach | Silver Arowana | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 68โ86ยฐF | โ 77โ86ยฐF |
| pH Range | 6.0โ7.5 | 5.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | aggressive | โ Risk |
| Adult Size | 12 in | 31.5 in | โ ๏ธ 2.6ร difference |
| Min. Group | 5+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
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
Silver Arowana โ Osteoglossum bicirrhosum
The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.
Frequently Asked Questions
Can Clown Loach live with Silver Arowana?
With significant caution and a larger tank. Clown Loach and Silver Arowana can potentially coexist, but the combination requires careful attention. Clown Loach is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Clown Loach and Silver Arowana together?
A minimum of 100 gallons is recommended for keeping Clown Loach and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Loach and Silver Arowana?
77โ86ยฐF โ inside Clown Loach's 77โ86ยฐF and Silver Arowana's 68โ86ยฐF.
Is a Clown Loach aggressive toward a Silver Arowana?
Clown Loach is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.
Related Compatibility Guides
Tank Size for Clown Loach and Silver Arowana
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 250 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 350 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 450 gal | Best when keeping larger schools or reducing territorial pressure. |