Molly and Mystery Snail Compatibility Overview
Molly and Mystery 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 | Mystery Snail | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ80ยฐF | โ 72โ80ยฐF |
| pH Range | 7.5โ8.5 | 7.0โ8.0 | โ ๏ธ 7.5โ8.0 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4 in | 2 in | โ ๏ธ 2.0ร 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.
Mystery Snail โ Pomacea bridgesii
Large, peaceful aquarium snails that graze on algae and detritus. Shell provides some protection but can be harassed by certain fish.
Frequently Asked Questions
Can Molly live with Mystery Snail?
Yes, in a well-planned setup. Molly and Mystery 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 Mystery Snail together?
A minimum of 55 gallons is recommended for keeping Molly and Mystery Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Mystery Snail?
72โ80ยฐF โ inside Molly's 72โ82ยฐF and Mystery Snail's 68โ80ยฐF.
Is a Molly aggressive toward a Mystery Snail?
Molly is peaceful and Mystery Snail is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly and Mystery 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. |