Firefish Goby and Glowlight Tetra Compatibility Overview
Firefish Goby and Glowlight Tetra 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: Firefish Goby wants 8.1โ8.4 and Glowlight Tetra wants 5.5โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Firefish Goby | Glowlight Tetra | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 75โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.5โ7.5 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 3.0 in | 1.6 in | โ Similar |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
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.
โ Full Firefish Goby care guide
Glowlight Tetra โ Hemigrammus erythrozonus
The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.
Frequently Asked Questions
Can Firefish Goby live with Glowlight Tetra?
Generally not recommended. Firefish Goby and Glowlight Tetra 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: Firefish Goby wants 8.1โ8.4 and Glowlight Tetra wants 5.5โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Firefish Goby and Glowlight Tetra together?
A minimum of 20 gallons is recommended for keeping Firefish Goby and Glowlight Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Firefish Goby and Glowlight Tetra?
75โ82ยฐF โ inside Firefish Goby's 72โ82ยฐF and Glowlight Tetra's 75โ82ยฐF.
Is a Firefish Goby aggressive toward a Glowlight Tetra?
Firefish Goby is peaceful and Glowlight Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Firefish Goby and Glowlight Tetra
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. |