Compatibility Overview
Firefish Goby and Percula Clownfish can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Firefish Goby | Percula Clownfish | Verdict |
|---|---|---|---|
| Temperature | 72–81°F | 75–82°F | ✅ 75–81°F |
| pH Range | 8.1–8.4 | 8.0–8.5 | ⚠️ 8.1–8.4 (narrow) |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 1.2 in | 3.1 in | ⚠️ 2.6× difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Firefish Goby — Aquarium species
The Firefish Goby is a popular choice for saltwater aquariums due to its vibrant colors and peaceful nature. These goby fish thrive in well-maintained tanks with plenty of live rock for them to explore. They are best kept in pairs or small groups and can be a great addition to a community tank with compatible species. It's important to provide them with a sp
→ Full Firefish Goby care guide
Percula Clownfish — Aquarium species
The Percula Clownfish, also known as the False Percula, is a popular beginner fish due to its hardiness and striking coloration. These fish are best kept in a saltwater tank with a minimum size of 30 gallons and compatible tankmates. They are peaceful, non-aggressive and do well in groups with other compatible species. Regular water quality maintenance is es
Frequently Asked Questions
Can Firefish Goby live with Percula Clownfish?
Yes, in a well-planned setup. Firefish Goby and Percula Clownfish can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Firefish Goby and Percula Clownfish together?
A minimum of 29 gallons is recommended for keeping Firefish Goby and Percula Clownfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Firefish Goby and Percula Clownfish?
75–81°F
Is a Firefish Goby aggressive toward a Percula Clownfish?
Firefish Goby is semi and Percula Clownfish is semi. No major aggression issues are expected between these species.
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 | 100/100 |
| Temperament | 62/100 |
| Adult Size | 72/100 |
| 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 | 29 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 40 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |