Molly and Moonlight Gourami Compatibility Overview
Molly and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Molly | Moonlight Gourami | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 77โ86ยฐF | โ 77โ82ยฐF |
| pH Range | 7.5โ8.5 | 6.0โ7.5 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4 in | 5.9 in | โ Similar |
| Min. Group | 3+ | 1+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Molly โ Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water โ sometimes slightly brackish. Prolific breeders; peaceful community fish.
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 Molly live with Moonlight Gourami?
With significant caution and a larger tank. Molly and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Molly and Moonlight Gourami together?
A minimum of 75 gallons is recommended for keeping Molly and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Moonlight Gourami?
77โ82ยฐF โ inside Molly's 72โ82ยฐF and Moonlight Gourami's 77โ86ยฐF.
Is a Molly aggressive toward a Moonlight Gourami?
Molly is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly 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. |