Diamond Tetra and Peacock Cichlid Compatibility Overview
Diamond Tetra and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Diamond Tetra wants 5.5โ7.0 and Peacock Cichlid wants 7.5โ9.0. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Diamond Tetra | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 73โ84ยฐF | โ 75โ82ยฐF |
| pH Range | 5.5โ7.0 | 7.5โ9.0 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.4 in | 5.1 in | โ ๏ธ 2.1ร difference |
| Min. Group | 6+ | 4+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Diamond Tetra โ Moenkhausia pittieri
The Diamond Tetra is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for community tanks and can thrive in a variety of water conditions. With a moderate activity level and a preference for schools, this species is a great addition to any beginner or intermediate aquarist's tank.
โ Full Diamond 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 Diamond Tetra live with Peacock Cichlid?
With significant caution and a larger tank. Diamond Tetra and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Diamond Tetra wants 5.5โ7.0 and Peacock Cichlid wants 7.5โ9.0. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Diamond Tetra and Peacock Cichlid together?
A minimum of 75 gallons is recommended for keeping Diamond Tetra and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Diamond Tetra and Peacock Cichlid?
75โ82ยฐF โ inside Diamond Tetra's 75โ82ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Diamond Tetra aggressive toward a Peacock Cichlid?
Diamond Tetra is peaceful and Peacock Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Diamond 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. |