Silver Arowana and Tiger Barb Compatibility Overview
Silver Arowana and Tiger Barb are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Silver Arowana is aggressive and Tiger Barb is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Silver Arowana | Tiger Barb | Verdict |
|---|---|---|---|
| Temperature | 68โ86ยฐF | 68โ79ยฐF | โ 68โ79ยฐF |
| pH Range | 5.0โ7.5 | 6.0โ8.0 | โ 6.0โ7.5 |
| Temperament | aggressive | semi | โ Risk |
| Adult Size | 31.5 in | 2.75 in | โ 11ร difference |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
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.
โ Full Silver Arowana care guide
Tiger Barb โ Puntigrus tetrazona
Striking striped barbs that are notorious fin-nippers. Must be kept in groups of 6+ to redirect aggression within the school. Incompatible with long-finned fish.
Frequently Asked Questions
Can Silver Arowana live with Tiger Barb?
Generally not recommended. Silver Arowana and Tiger Barb are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Silver Arowana is aggressive and Tiger Barb is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Silver Arowana and Tiger Barb together?
A minimum of 100 gallons is recommended for keeping Silver Arowana and Tiger Barb together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Silver Arowana and Tiger Barb?
68โ79ยฐF โ inside Silver Arowana's 68โ86ยฐF and Tiger Barb's 68โ79ยฐF.
Is a Silver Arowana aggressive toward a Tiger Barb?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Silver Arowana and Tiger Barb
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. |