Discus and Weather Loach Compatibility Overview
Discus and Weather Loach are generally not recommended to be housed together. There is no shared temperature: Discus needs 82โ88ยฐF and Weather Loach needs 50โ77ยฐF. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Discus | Weather Loach | Verdict |
|---|---|---|---|
| Temperature | 82โ88ยฐF | 50โ77ยฐF | โ No overlap |
| pH Range | 5.0โ7.0 | 6.0โ8.0 | โ 6.0โ7.0 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 8 in | 11.0 in | โ Similar |
| Min. Group | 5+ | 3+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Discus โ Symphysodon spp.
The 'king of the aquarium' โ beautiful but demanding. Requires very warm, soft, acidic water that excludes most community fish.
Weather Loach โ Misgurnus anguillicaudatus
The Weather Loach, also known as the Weather Fish, is a popular addition to freshwater aquariums due to its peaceful nature and intriguing behavior. It has a slender, eel-like body with a translucent appearance and dark spots. These loaches are active and enjoy exploring their tank, making them a moderate activity level fish.
Frequently Asked Questions
Can Discus live with Weather Loach?
Generally not recommended. Discus and Weather Loach are generally not recommended to be housed together. There is no shared temperature: Discus needs 82โ88ยฐF and Weather Loach needs 50โ77ยฐF. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Discus and Weather Loach together?
A minimum of 100 gallons is recommended for keeping Discus and Weather Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Discus and Weather Loach?
There is no safe shared range: Discus needs 82โ88ยฐF and Weather Loach needs 50โ77ยฐF.
Is a Discus aggressive toward a Weather Loach?
Discus is semi and Weather Loach is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Discus and Weather 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. |