Corydoras and Firefish Goby Compatibility Overview
Corydoras Catfish and Firefish Goby 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: Corydoras Catfish wants 6.0โ8.0 and Firefish Goby wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Corydoras Catfish | Firefish Goby | Verdict |
|---|---|---|---|
| Temperature | 70โ79ยฐF | 72โ82ยฐF | โ 72โ79ยฐF |
| pH Range | 6.0โ8.0 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.5 in | 3.0 in | โ Similar |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Corydoras Catfish โ Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
โ Full Corydoras Catfish care guide
Firefish Goby โ Nemateleotris magnifica
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.
Frequently Asked Questions
Can Corydoras Catfish live with Firefish Goby?
Generally not recommended. Corydoras Catfish and Firefish Goby 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: Corydoras Catfish wants 6.0โ8.0 and Firefish Goby wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Corydoras Catfish and Firefish Goby together?
A minimum of 20 gallons is recommended for keeping Corydoras Catfish and Firefish Goby together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Firefish Goby?
72โ79ยฐF โ inside Corydoras Catfish's 70โ79ยฐF and Firefish Goby's 72โ82ยฐF.
Is a Corydoras Catfish aggressive toward a Firefish Goby?
Corydoras Catfish is peaceful and Firefish Goby is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Corydoras and Firefish Goby
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 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. |