Compatibility Overview
Foxface Rabbitfish and Keyhole Cichlid are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
| Factor | Foxface Rabbitfish | Keyhole Cichlid | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 72–79°F | ✅ 73–79°F |
| pH Range | 8.0–8.3 | 7.0–8.0 | ⚠️ 8.0–8.0 (narrow) |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 3.9 in | 2.0 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
Species Profiles
Foxface Rabbitfish — Aquarium species
The Foxface Rabbitfish is a vibrant and peaceful addition to the marine aquarium. With its striking yellow coloration and dark spots, it adds a splash of color to the tank. They are known for their gregarious nature and can be kept in groups of 2-3. This species is suitable for beginners and intermediate aquarists.
→ Full Foxface Rabbitfish care guide
Keyhole Cichlid — Aquarium species
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. With proper care, they can live for sev
Frequently Asked Questions
Can Foxface Rabbitfish live with Keyhole Cichlid?
Generally not recommended. Foxface Rabbitfish and Keyhole Cichlid are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
What tank size do I need for Foxface Rabbitfish and Keyhole Cichlid together?
A minimum of 40 gallons is recommended for keeping Foxface Rabbitfish and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Foxface Rabbitfish and Keyhole Cichlid?
73–79°F
Is a Foxface Rabbitfish aggressive toward a Keyhole Cichlid?
Foxface Rabbitfish is semi and Keyhole Cichlid is semi. These animals require different water types and cannot share one aquarium.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 86/100 |
| Ph | 0/100 |
| Temperament | 62/100 |
| Adult Size | 100/100 |
| Swim Zone | 68/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 40 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 55 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 75 gal | Best when keeping larger schools or reducing territorial pressure. |