Discus and Nerite Snail Compatibility Overview
Discus and Nerite Snail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. 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 | Nerite Snail | Verdict |
|---|---|---|---|
| Temperature | 82โ88ยฐF | 65โ85ยฐF | โ ๏ธ 82โ85ยฐF (narrow) |
| pH Range | 5.0โ7.0 | 6.5โ8.5 | โ ๏ธ 6.5โ7.0 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 8 in | 1 in | โ 8ร difference |
| Min. Group | 5+ | 1+ | 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.
Nerite Snail โ Nerita spp.
Outstanding algae-eating snails that do not reproduce in freshwater. Extremely hardy and compatible with virtually all peaceful fish.
Frequently Asked Questions
Can Discus live with Nerite Snail?
Generally not recommended. Discus and Nerite Snail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. 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 Nerite Snail together?
A minimum of 100 gallons is recommended for keeping Discus and Nerite Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Discus and Nerite Snail?
82โ85ยฐF (narrow) โ inside Discus's 82โ88ยฐF and Nerite Snail's 65โ85ยฐF.
Is a Discus aggressive toward a Nerite Snail?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Discus and Nerite Snail
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. |