Betta Fish and Peacock Cichlid Compatibility Overview
Betta Fish and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. Betta Fish is aggressive and Peacock Cichlid is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
| Factor | Betta Fish | Peacock Cichlid | Verdict |
|---|---|---|---|
| Temperature | 76โ82ยฐF | 73โ84ยฐF | โ 76โ82ยฐF |
| pH Range | 6.5โ7.5 | 7.5โ9.0 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | aggressive | semi | โ Risk |
| Adult Size | 3 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
Betta Fish โ Betta splendens
Vibrant labyrinth fish from Southeast Asia. Males are highly territorial toward other bettas and fin-nippers; compatible with many peaceful species in large, planted tanks.
โ Full Betta Fish 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 Betta Fish live with Peacock Cichlid?
With significant caution and a larger tank. Betta Fish and Peacock Cichlid can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. Betta Fish is aggressive and Peacock Cichlid is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Betta Fish and Peacock Cichlid together?
A minimum of 55 gallons is recommended for keeping Betta Fish and Peacock Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Betta Fish and Peacock Cichlid?
76โ82ยฐF โ inside Betta Fish's 76โ82ยฐF and Peacock Cichlid's 73โ84ยฐF.
Is a Betta Fish aggressive toward a Peacock Cichlid?
Betta Fish 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 Betta Fish 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. |