Corydoras and Mystery Snail Compatibility Overview
Short answer: Yes. Both do well at 70-79°F and both are peaceful. Match the tank size and group size in the table below and both should do well.
Corydoras Catfish 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Corydoras Catfish | Mystery Snail | Verdict |
|---|---|---|---|
| Temperature | 70–79°F | 68–80°F | ✅ 70–79°F |
| pH Range | 6.0–8.0 | 7.0–8.0 | ✅ 7.0–8.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2.5 in | 2 in | ✅ Similar |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | — | |
Compatibility Positives
Caution Points
Species Profiles
Corydoras Catfish — Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
→ Full Corydoras Catfish care guide
Mystery Snail — 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 Corydoras Catfish live with Mystery Snail?
Yes, in a well-planned setup. Corydoras Catfish 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Corydoras Catfish and Mystery Snail together?
A minimum of 20 gallons is recommended for keeping Corydoras Catfish and Mystery Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Mystery Snail?
70–79°F — inside Corydoras Catfish's 70–79°F and Mystery Snail's 68–80°F.
Is a Corydoras Catfish aggressive toward a Mystery Snail?
Corydoras Catfish is peaceful and Mystery Snail is peaceful. No major aggression issues are expected between these species.
More Good Tank Mates for Corydoras and Mystery Snail
The highest-scoring compatible partners for each species in our compatibility data.
For Corydoras
- Pearl Danio — 98/100
- Zebra Danio — 98/100
- Honey Gourami — 96/100
- Panda Cory — 96/100
- Peppered Cory — 96/100
For Mystery Snail
- Platy — 96/100
- Zebra Danio — 96/100
- Cherry Barb — 94/100
- Guppy — 92/100
- Cherry Shrimp — 91/100
Related Compatibility Guides
Tank Size for Corydoras 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 | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |