Lionfish and Peacock Cichlid Compatibility Overview
Lionfish and Peacock Cichlid are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Lionfish | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 73โ84ยฐF | โ 73โ82ยฐF |
| pH Range | 8.1โ8.4 | 7.5โ9.0 | โ ๏ธ 8.1โ8.4 (narrow) |
| Temperament | aggressive | semi | โ Risk |
| Adult Size | 15.0 in | 5.1 in | โ ๏ธ 2.9ร difference |
| Min. Group | 1+ | 4+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Lionfish โ Pterois volitans
Lionfish are popular saltwater aquarium fish known for their striking colors and intimidating spines. These fish require a large tank and careful attention to water parameters. Aggressive by nature, they can be harmful to smaller fish and invertebrates.
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 Lionfish live with Peacock Cichlid?
Generally not recommended. Lionfish and Peacock Cichlid are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Lionfish and Peacock Cichlid together?
A minimum of 100 gallons is recommended for keeping Lionfish and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Lionfish and Peacock Cichlid?
73โ82ยฐF โ inside Lionfish's 72โ82ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Lionfish aggressive toward a Peacock Cichlid?
Lionfish is aggressive and Peacock Cichlid is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.
Related Compatibility Guides
Tank Size for Lionfish 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 | 120 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 220 gal | Best when keeping larger schools or reducing territorial pressure. |