Corydoras and Moonlight Gourami Compatibility Overview
Corydoras 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. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Corydoras Catfish | Moonlight Gourami | Verdict |
|---|---|---|---|
| Temperature | 70โ79ยฐF | 77โ86ยฐF | โ ๏ธ 77โ79ยฐF (narrow) |
| pH Range | 6.0โ8.0 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.5 in | 5.9 in | โ ๏ธ 2.4ร difference |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Corydoras Catfish โ Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
โ Full Corydoras 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 Corydoras Catfish live with Moonlight Gourami?
With significant caution and a larger tank. Corydoras 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. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Corydoras Catfish and Moonlight Gourami together?
A minimum of 75 gallons is recommended for keeping Corydoras Catfish and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Moonlight Gourami?
77โ79ยฐF (narrow) โ inside Corydoras Catfish's 70โ79ยฐF and Moonlight Gourami's 77โ86ยฐF.
Is a Corydoras Catfish aggressive toward a Moonlight Gourami?
Corydoras Catfish is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Corydoras 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. |