Coral Beauty and Koi Compatibility Overview
Coral Beauty and Koi 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Coral Beauty | Koi | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 50โ75ยฐF | โ ๏ธ 72โ75ยฐF (narrow) |
| pH Range | 8.1โ8.4 | 7.0โ8.5 | โ ๏ธ 8.1โ8.4 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4.0 in | 24 in | โ 6ร difference |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Coral Beauty โ Centropyge bispinosa
The Coral Beauty Angelfish is a popular choice for reef tanks due to its vibrant colors and gentle demeanor. These fish thrive in well-maintained aquariums with plenty of swimming space and hiding spots. They are generally peaceful with other compatible fish but can be sensitive to aggressive tankmates. A diet rich in variety is essential for their health.
โ Full Coral Beauty care guide
Koi โ Cyprinus rubrofuscus
Large pond fish that require hundreds of gallons and cool water. Will eat any fish small enough to fit in their mouth.
Frequently Asked Questions
Can Coral Beauty live with Koi?
Generally not recommended. Coral Beauty and Koi 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Coral Beauty and Koi together?
A minimum of 100 gallons is recommended for keeping Coral Beauty and Koi together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Coral Beauty and Koi?
72โ75ยฐF (narrow) โ inside Coral Beauty's 72โ82ยฐF and Koi's 50โ75ยฐF.
Is a Coral Beauty aggressive toward a Koi?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Coral Beauty and Koi
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |