Harlequin Rasbora and Honey Gourami Compatibility Overview
Harlequin Rasbora and Honey Gourami 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 | Harlequin Rasbora | Honey Gourami | Verdict |
|---|---|---|---|
| Temperature | 72โ81ยฐF | 71โ82ยฐF | โ 72โ81ยฐF |
| pH Range | 5.5โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.75 in | 2 in | โ Similar |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
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.
โ Full Harlequin Rasbora care guide
Honey Gourami โ Trichogaster chuna
One of the most peaceful gouramis available. Not affected by Dwarf Gourami Iridovirus. Excellent nano community fish.
Frequently Asked Questions
Can Harlequin Rasbora live with Honey Gourami?
Yes, in a well-planned setup. Harlequin Rasbora and Honey Gourami 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 Harlequin Rasbora and Honey Gourami together?
A minimum of 20 gallons is recommended for keeping Harlequin Rasbora and Honey Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Harlequin Rasbora and Honey Gourami?
72โ81ยฐF โ inside Harlequin Rasbora's 72โ81ยฐF and Honey Gourami's 71โ82ยฐF.
Is a Harlequin Rasbora aggressive toward a Honey Gourami?
Harlequin Rasbora is peaceful and Honey Gourami is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Harlequin Rasbora and Honey Gourami
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. |