Bristlenose Pleco and Peacock Cichlid Compatibility Overview
Bristlenose Pleco and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
| Factor | Bristlenose Pleco | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 60โ80ยฐF | 73โ84ยฐF | โ 73โ80ยฐF |
| pH Range | 6.5โ7.5 | 7.5โ9.0 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 5 in | 5.1 in | โ Similar |
| Min. Group | 1+ | 4+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Bristlenose Pleco โ Ancistrus sp.
Hardy armoured catfish that grazes on algae. Peaceful with virtually all species; tolerates a wide temperature range.
โ Full Bristlenose Pleco care guide
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 Bristlenose Pleco live with Peacock Cichlid?
With significant caution and a larger tank. Bristlenose Pleco and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Bristlenose Pleco and Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Bristlenose Pleco and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Bristlenose Pleco and Peacock Cichlid?
73โ80ยฐF โ inside Bristlenose Pleco's 60โ80ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Bristlenose Pleco aggressive toward a Peacock Cichlid?
Bristlenose Pleco is peaceful and Peacock Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Bristlenose Pleco 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. |