Angelfish and Silver Arowana Compatibility Overview
Angelfish and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Angelfish is semi and Silver Arowana is aggressive. 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 | Angelfish | Silver Arowana | Verdict |
|---|---|---|---|
| Temperature | 74โ84ยฐF | 68โ86ยฐF | โ 74โ84ยฐF |
| pH Range | 6.0โ7.5 | 5.0โ7.5 | โ 6.0โ7.5 |
| Temperament | semi | aggressive | โ Risk |
| Adult Size | 6 in | 31.5 in | โ 5ร difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Angelfish โ Pterophyllum scalare
Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.
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 Angelfish live with Silver Arowana?
Generally not recommended. Angelfish and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Angelfish is semi and Silver Arowana is aggressive. 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 Angelfish and Silver Arowana together?
A minimum of 100 gallons is recommended for keeping Angelfish and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Silver Arowana?
74โ84ยฐF โ inside Angelfish's 74โ84ยฐF and Silver Arowana's 68โ86ยฐF.
Is a Angelfish aggressive toward a Silver Arowana?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Angelfish 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. |