Moonlight Gourami and Threadfin Rainbowfish Compatibility Overview
Moonlight Gourami and Threadfin Rainbowfish 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Moonlight Gourami | Threadfin Rainbowfish | Verdict |
|---|---|---|---|
| Temperature | 77โ86ยฐF | 72โ86ยฐF | โ 77โ86ยฐF |
| pH Range | 6.0โ7.5 | 5.0โ8.0 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 5.9 in | 1.6 in | โ ๏ธ 3.7ร difference |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
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.
โ Full Moonlight Gourami care guide
Threadfin Rainbowfish โ Iriatherina werneri
The Threadfin Rainbowfish is a popular choice for freshwater aquariums due to its vibrant colors and peaceful nature. It requires a well-maintained tank with plenty of swimming space and a moderate water flow. These fish are not known to be aggressive and can be kept in community tanks with other peaceful species.
Frequently Asked Questions
Can Moonlight Gourami live with Threadfin Rainbowfish?
Yes, in a well-planned setup. Moonlight Gourami and Threadfin Rainbowfish 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Moonlight Gourami and Threadfin Rainbowfish together?
A minimum of 75 gallons is recommended for keeping Moonlight Gourami and Threadfin Rainbowfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Moonlight Gourami and Threadfin Rainbowfish?
77โ86ยฐF โ inside Moonlight Gourami's 77โ86ยฐF and Threadfin Rainbowfish's 72โ86ยฐF.
Is a Moonlight Gourami aggressive toward a Threadfin Rainbowfish?
Moonlight Gourami is peaceful and Threadfin Rainbowfish is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Moonlight Gourami and Threadfin Rainbowfish
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. |