Glass Catfish and Moonlight Gourami Compatibility Overview
Glass Catfish and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their ranges meet only at 77โ79ยฐF, which leaves no margin for a heater drifting or a warm room. 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 | Glass Catfish | Moonlight Gourami | Verdict |
|---|---|---|---|
| Temperature | 68โ79ยฐF | 77โ86ยฐF | โ ๏ธ 77โ79ยฐF (narrow) |
| pH Range | 4.0โ7.0 | 6.0โ7.5 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.6 in | 5.9 in | โ ๏ธ 2.3ร difference |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Glass Catfish โ Kryptopterus vitreolus
The Glass Catfish, Kryptopterus vitreolus, is a popular freshwater aquarium fish known for its unique, translucent body and iridescent scales. It is a peaceful species that thrives in groups and is suitable for beginners due to its hardy nature. These catfish are bottom-dwellers and require a well-decorated tank with plenty of swimming space.
โ Full Glass Catfish 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 Glass Catfish live with Moonlight Gourami?
With significant caution and a larger tank. Glass Catfish and Moonlight Gourami can potentially coexist, but the combination requires careful attention. Their ranges meet only at 77โ79ยฐF, which leaves no margin for a heater drifting or a warm room. 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 Glass Catfish and Moonlight Gourami together?
A minimum of 75 gallons is recommended for keeping Glass Catfish and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glass Catfish and Moonlight Gourami?
77โ79ยฐF (narrow) โ inside Glass Catfish's 68โ79ยฐF and Moonlight Gourami's 77โ86ยฐF.
Is a Glass Catfish aggressive toward a Moonlight Gourami?
Glass Catfish is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glass Catfish 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. |