Keyhole Cichlid and Yellow Tang Compatibility Overview
Keyhole Cichlid and Yellow Tang 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. Their pH ranges do not meet: Keyhole Cichlid wants 4.0โ7.5 and Yellow Tang wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Keyhole Cichlid | Yellow Tang | Verdict |
|---|---|---|---|
| Temperature | 70โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 4.0โ7.5 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 4.3 in | 8.0 in | โ Similar |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Keyhole Cichlid โ Cleithracara maronii
The Keyhole Cichlid is a popular choice for beginners due to its relatively easy care and peaceful temperament. These fish are known for their distinct keyhole marking and vibrant coloration. They do well in a community tank with other peaceful species, but should be provided with plenty of hiding spots to feel secure.
โ Full Keyhole Cichlid care guide
Yellow Tang โ Zebrasoma flavescens
The Yellow Tang is a popular and vibrant fish suitable for beginners. With its bright yellow color and blue stripes, it adds a striking contrast to the aquarium. They are generally peaceful and can be kept in a community tank, though they may be nippy with certain tankmates. They require a well-maintained tank with plenty of swimming space and a varied diet.
Frequently Asked Questions
Can Keyhole Cichlid live with Yellow Tang?
Generally not recommended. Keyhole Cichlid and Yellow Tang 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. Their pH ranges do not meet: Keyhole Cichlid wants 4.0โ7.5 and Yellow Tang wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Keyhole Cichlid and Yellow Tang together?
A minimum of 75 gallons is recommended for keeping Keyhole Cichlid and Yellow Tang together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Keyhole Cichlid and Yellow Tang?
72โ82ยฐF โ inside Keyhole Cichlid's 70โ82ยฐF and Yellow Tang's 72โ82ยฐF.
Is a Keyhole Cichlid aggressive toward a Yellow Tang?
Keyhole Cichlid is peaceful and Yellow Tang is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Keyhole Cichlid and Yellow Tang
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. |