Compatibility Overview
Mystery Snail and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 29 gallons), dense planting, and close monitoring are essential.
| Factor | Mystery Snail | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68–80°F | 75–81°F | ✅ 75–80°F |
| pH Range | 7.0–8.0 | 7.5–8.5 | ⚠️ 7.5–8.0 (narrow) |
| Temperament | peaceful | aggressive | ❌ Risk |
| Adult Size | 2 in | 3.1 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
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.
→ Full Mystery Snail care guide
Peacock Cichlid — Aquarium species
The Peacock Cichlid, Aulonocara nyassae, is a stunning fish with vibrant blue and yellow colors. These fish are known for their aggression and require a mature and well-maintained tank. They are best kept in pairs or in a species-specific tank. Careful attention must be given to water parameters and tank setup to ensure their health and well-being.
Frequently Asked Questions
Can Mystery Snail live with Peacock Cichlid?
With significant caution and a larger tank. Mystery Snail and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 29 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Mystery Snail and Peacock Cichlid together?
A minimum of 29 gallons is recommended for keeping Mystery Snail and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Mystery Snail and Peacock Cichlid?
75–80°F
Is a Mystery Snail aggressive toward a Peacock Cichlid?
Mystery Snail is peaceful and Peacock Cichlid is aggressive. No major aggression issues are expected between these species.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 83/100 |
| Ph | 50/100 |
| Temperament | 30/100 |
| Adult Size | 100/100 |
| Swim Zone | 68/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 29 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 40 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. |