Discus and Zebra Loach Compatibility Overview
Discus and Zebra Loach are generally not recommended to be housed together. There is no shared temperature: Discus needs 82โ88ยฐF and Zebra Loach needs 70โ79ยฐF. 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 | Zebra Loach | Verdict |
|---|---|---|---|
| Temperature | 82โ88ยฐF | 70โ79ยฐF | โ No overlap |
| pH Range | 5.0โ7.0 | 6.0โ7.5 | โ 6.0โ7.0 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 8 in | 3.5 in | โ ๏ธ 2.3ร difference |
| Min. Group | 5+ | 5+ | 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.
Zebra Loach โ Botia striata
The Zebra Loach is a popular community fish known for its striped appearance and peaceful nature. It requires a spacious tank and is best kept in groups of at least three. These loaches are adaptable and can thrive in a variety of freshwater conditions. They are bottom feeders and help to keep the aquarium clean by eating algae and uneaten food.
Frequently Asked Questions
Can Discus live with Zebra Loach?
Generally not recommended. Discus and Zebra Loach are generally not recommended to be housed together. There is no shared temperature: Discus needs 82โ88ยฐF and Zebra Loach needs 70โ79ยฐF. 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 Zebra Loach together?
A minimum of 100 gallons is recommended for keeping Discus and Zebra Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Discus and Zebra Loach?
There is no safe shared range: Discus needs 82โ88ยฐF and Zebra Loach needs 70โ79ยฐF.
Is a Discus aggressive toward a Zebra Loach?
Discus is semi and Zebra Loach is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Discus and Zebra 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. |