Molly and Peacock Cichlid Compatibility Overview
Molly and Peacock Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Molly is peaceful and Peacock Cichlid is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Molly | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 73โ84ยฐF | โ 73โ82ยฐF |
| pH Range | 7.5โ8.5 | 7.5โ9.0 | โ 7.5โ8.5 |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 4 in | 5.1 in | โ Similar |
| Min. Group | 3+ | 4+ | 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.
Peacock Cichlid โ Aulonocara stuartgranti
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 Molly live with Peacock Cichlid?
Yes, in a well-planned setup. Molly and Peacock Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Molly is peaceful and Peacock Cichlid is semi, so give them room and cover rather than assuming they will ignore each 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 Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Molly and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Peacock Cichlid?
73โ82ยฐF โ inside Molly's 72โ82ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Molly aggressive toward a Peacock Cichlid?
Molly is peaceful and Peacock Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly and Peacock Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 64 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 90 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. |