Glowlight Tetra and Harlequin Rasbora Compatibility Overview
Glowlight Tetra 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 Tetra | Harlequin Rasbora | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 72โ81ยฐF | โ 75โ81ยฐF |
| pH Range | 5.5โ7.5 | 5.5โ7.5 | โ 5.5โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.6 in | 1.75 in | โ Similar |
| Min. Group | 6+ | 8+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Glowlight Tetra โ Hemigrammus erythrozonus
The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.
โ Full Glowlight Tetra 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 Tetra live with Harlequin Rasbora?
Yes, in a well-planned setup. Glowlight Tetra 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 Tetra and Harlequin Rasbora together?
A minimum of 20 gallons is recommended for keeping Glowlight Tetra and Harlequin Rasbora together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glowlight Tetra and Harlequin Rasbora?
75โ81ยฐF โ inside Glowlight Tetra's 75โ82ยฐF and Harlequin Rasbora's 72โ81ยฐF.
Is a Glowlight Tetra aggressive toward a Harlequin Rasbora?
Glowlight Tetra is peaceful and Harlequin Rasbora is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glowlight Tetra 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. |