Neon Tetra and Peacock Cichlid Compatibility Overview
Neon Tetra and Peacock Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. 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 | Neon Tetra | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ80ยฐF | 73โ84ยฐF | โ 73โ80ยฐF |
| pH Range | 6.0โ7.5 | 7.5โ9.0 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 1.5 in | 5.1 in | โ ๏ธ 3.4ร difference |
| Min. Group | 6+ | 4+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Neon Tetra โ Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
โ Full Neon Tetra 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 Neon Tetra live with Peacock Cichlid?
Generally not recommended. Neon Tetra and Peacock Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. 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 Neon Tetra and Peacock Cichlid together?
A minimum of 75 gallons is recommended for keeping Neon Tetra and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Neon Tetra and Peacock Cichlid?
73โ80ยฐF โ inside Neon Tetra's 72โ80ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Neon Tetra aggressive toward a Peacock Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Neon Tetra 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 | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |