Chili Rasbora and Moonlight Gourami Compatibility Overview
Chili Rasbora and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Chili Rasbora | Moonlight Gourami | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 77โ86ยฐF | โ 77โ82ยฐF |
| pH Range | 4.0โ7.0 | 6.0โ7.5 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 0.8 in | 5.9 in | โ 7ร difference |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Chili Rasbora โ Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small โ only safe with fish too small to swallow them.
โ Full Chili Rasbora care guide
Moonlight Gourami โ Trichopodus microlepis
The Moonlight Gourami is a beautiful freshwater fish known for its silvery blue color and red eyes. It is a peaceful community fish suitable for beginners and can thrive in a well-maintained aquarium. These fish are sensitive to water quality and require a spacious tank with plenty of swimming space.
Frequently Asked Questions
Can Chili Rasbora live with Moonlight Gourami?
With significant caution and a larger tank. Chili Rasbora and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Chili Rasbora and Moonlight Gourami together?
A minimum of 75 gallons is recommended for keeping Chili Rasbora and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Moonlight Gourami?
77โ82ยฐF โ inside Chili Rasbora's 68โ82ยฐF and Moonlight Gourami's 77โ86ยฐF.
Is a Chili Rasbora aggressive toward a Moonlight Gourami?
Chili Rasbora is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Chili Rasbora and Moonlight Gourami
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |