Firefish Goby and Silver Arowana Compatibility Overview
Firefish Goby and Silver Arowana 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Firefish Goby | Silver Arowana | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ86ยฐF | โ 72โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.0โ7.5 | โ No overlap |
| Temperament | peaceful | aggressive | โ Risk |
| Adult Size | 3.0 in | 31.5 in | โ 10ร difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 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
Silver Arowana โ Osteoglossum bicirrhosum
The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.
Frequently Asked Questions
Can Firefish Goby live with Silver Arowana?
Generally not recommended. Firefish Goby and Silver Arowana 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Firefish Goby and Silver Arowana together?
A minimum of 100 gallons is recommended for keeping Firefish Goby and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Firefish Goby and Silver Arowana?
72โ82ยฐF โ inside Firefish Goby's 72โ82ยฐF and Silver Arowana's 68โ86ยฐF.
Is a Firefish Goby aggressive toward a Silver Arowana?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Firefish Goby and Silver Arowana
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 250 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 350 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 450 gal | Best when keeping larger schools or reducing territorial pressure. |