Glowlight Danio and Silver Arowana Compatibility Overview
Glowlight Danio and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Glowlight Danio is peaceful 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 | Glowlight Danio | Silver Arowana | Verdict |
|---|---|---|---|
| Temperature | 73โ79ยฐF | 68โ86ยฐF | โ 73โ79ยฐF |
| pH Range | 6.5โ7.5 | 5.0โ7.5 | โ 6.5โ7.5 |
| Temperament | peaceful | aggressive | โ Risk |
| Adult Size | 1.2 in | 31.5 in | โ 26ร difference |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Glowlight Danio โ Danio choprae
The Glowlight Danio is a popular freshwater fish known for its vibrant colors and active nature. They are ideal for beginners due to their hardiness and ease of care. These fish thrive in a well-maintained tank with plenty of swimming space and a school of their own kind.
โ Full Glowlight Danio 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 Glowlight Danio live with Silver Arowana?
Generally not recommended. Glowlight Danio and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Glowlight Danio is peaceful 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 Glowlight Danio and Silver Arowana together?
A minimum of 100 gallons is recommended for keeping Glowlight Danio and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glowlight Danio and Silver Arowana?
73โ79ยฐF โ inside Glowlight Danio's 73โ79ยฐF and Silver Arowana's 68โ86ยฐF.
Is a Glowlight Danio aggressive toward a Silver Arowana?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Glowlight Danio 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. |