Blue Tang and Silver Arowana Compatibility Overview
Blue Tang 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. Their pH ranges do not meet: Blue Tang wants 8.1โ8.4 and Silver Arowana wants 5.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Blue Tang | Silver Arowana | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ86ยฐF | โ 72โ82ยฐF |
| pH Range | 8.1โ8.4 | 5.0โ7.5 | โ No overlap |
| Temperament | semi | aggressive | โ Risk |
| Adult Size | 12.0 in | 31.5 in | โ ๏ธ 2.6ร difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Blue Tang โ Paracanthurus hepatus
The Blue Tang is a popular saltwater fish known for its vibrant blue color and yellow stripes. These fish are generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained, spacious tank with plenty of swimming space and hiding spots.
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 Blue Tang live with Silver Arowana?
Generally not recommended. Blue Tang 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. Their pH ranges do not meet: Blue Tang wants 8.1โ8.4 and Silver Arowana wants 5.0โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Blue Tang and Silver Arowana together?
A minimum of 100 gallons is recommended for keeping Blue Tang and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Blue Tang and Silver Arowana?
72โ82ยฐF โ inside Blue Tang's 72โ82ยฐF and Silver Arowana's 68โ86ยฐF.
Is a Blue Tang aggressive toward a Silver Arowana?
Blue Tang is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.
Related Compatibility Guides
Tank Size for Blue Tang 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. |