Molly and Nerite Snail Compatibility Overview
Molly and Nerite Snail can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Molly | Nerite Snail | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 65โ85ยฐF | โ 72โ82ยฐF |
| pH Range | 7.5โ8.5 | 6.5โ8.5 | โ 7.5โ8.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4 in | 1 in | โ 4ร difference |
| Min. Group | 3+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Molly โ Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water โ sometimes slightly brackish. Prolific breeders; peaceful 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 Molly live with Nerite Snail?
Yes, in a well-planned setup. Molly and Nerite Snail can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Molly and Nerite Snail together?
A minimum of 55 gallons is recommended for keeping Molly and Nerite Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Nerite Snail?
72โ82ยฐF โ inside Molly's 72โ82ยฐF and Nerite Snail's 65โ85ยฐF.
Is a Molly aggressive toward a Nerite Snail?
Molly is peaceful and Nerite Snail is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly 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 | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 125 gal | Best when keeping larger schools or reducing territorial pressure. |