Fire Eel and Nerite Snail Compatibility Overview
Fire Eel 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 | Fire Eel | Nerite Snail | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 65โ85ยฐF | โ 75โ82ยฐF |
| pH Range | 6.0โ7.0 | 6.5โ8.5 | โ ๏ธ 6.5โ7.0 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 39.4 in | 1 in | โ 39ร difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Fire Eel โ Mastacembelus erythrotaenia
The Fire Eel is a stunning, red-bottomed species that requires a spacious tank. They are peaceful bottom feeders and do best in a well-planted, mature aquarium. With a moderate activity level, they can be a great addition to a community tank, but their size and diet may be incompatible with smaller 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 Fire Eel live with Nerite Snail?
Generally not recommended. Fire Eel 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 Fire Eel and Nerite Snail together?
A minimum of 100 gallons is recommended for keeping Fire Eel and Nerite Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Fire Eel and Nerite Snail?
75โ82ยฐF โ inside Fire Eel's 75โ82ยฐF and Nerite Snail's 65โ85ยฐF.
Is a Fire Eel aggressive toward a Nerite Snail?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Fire Eel 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 | 114 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 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. |