Compatibility Overview
Foxface Rabbitfish and Glass Catfish 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 | Glass Catfish | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 72–82°F | ✅ 73–81°F |
| pH Range | 8.0–8.3 | 6.5–7.5 | ❌ No overlap |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 3.9 in | 3.9 in | ✅ Similar |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 55 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
Glass Catfish — Aquarium species
The Glass Catfish, Kryptopterus vitreolus, is a popular freshwater aquarium fish known for its unique, translucent body and iridescent scales. It is a peaceful species that thrives in groups and is suitable for beginners due to its hardy nature. These catfish are bottom-dwellers and require a well-decorated tank with plenty of swimming space. They are sensit
Frequently Asked Questions
Can Foxface Rabbitfish live with Glass Catfish?
Generally not recommended. Foxface Rabbitfish and Glass Catfish 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 Glass Catfish together?
A minimum of 55 gallons is recommended for keeping Foxface Rabbitfish and Glass Catfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Foxface Rabbitfish and Glass Catfish?
73–81°F
Is a Foxface Rabbitfish aggressive toward a Glass Catfish?
Foxface Rabbitfish is semi and Glass Catfish 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 | 100/100 |
| Ph | 0/100 |
| Temperament | 62/100 |
| Adult Size | 100/100 |
| Swim Zone | 92/100 |
| 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 | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 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. |