Glowlight Danio and Harlequin Rasbora Compatibility Overview
Glowlight Danio and Harlequin Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Glowlight Danio | Harlequin Rasbora | Verdict |
|---|---|---|---|
| Temperature | 73โ79ยฐF | 72โ81ยฐF | โ 73โ79ยฐF |
| pH Range | 6.5โ7.5 | 5.5โ7.5 | โ 6.5โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.2 in | 1.75 in | โ Similar |
| Min. Group | 8+ | 8+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
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
Harlequin Rasbora โ Trigonostigma heteromorpha
Active mid-level schooling fish with a distinctive black triangular patch. One of the best all-around community tank fish.
Frequently Asked Questions
Can Glowlight Danio live with Harlequin Rasbora?
Yes, in a well-planned setup. Glowlight Danio and Harlequin Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Glowlight Danio and Harlequin Rasbora together?
A minimum of 20 gallons is recommended for keeping Glowlight Danio and Harlequin Rasbora together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glowlight Danio and Harlequin Rasbora?
73โ79ยฐF โ inside Glowlight Danio's 73โ79ยฐF and Harlequin Rasbora's 72โ81ยฐF.
Is a Glowlight Danio aggressive toward a Harlequin Rasbora?
Glowlight Danio is peaceful and Harlequin Rasbora is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glowlight Danio and Harlequin Rasbora
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |