Pygmy Corydoras and Weather Loach Compatibility Overview
Pygmy Corydoras and Weather Loach can potentially coexist, but the combination requires careful attention. Both species are peaceful, and neither poses a major aggression risk to the other. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
| Factor | Pygmy Corydoras | Weather Loach | Verdict |
|---|---|---|---|
| Temperature | 72โ79ยฐF | 50โ77ยฐF | โ 72โ77ยฐF |
| pH Range | 6.0โ7.5 | 6.0โ8.0 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1 in | 11.0 in | โ 11ร difference |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Pygmy Corydoras โ Corydoras pygmaeus
Tiny armoured catfish that school in open water as well as on the substrate. Peaceful with all non-aggressive species.
โ Full Pygmy Corydoras care guide
Weather Loach โ Misgurnus anguillicaudatus
The Weather Loach, also known as the Weather Fish, is a popular addition to freshwater aquariums due to its peaceful nature and intriguing behavior. It has a slender, eel-like body with a translucent appearance and dark spots. These loaches are active and enjoy exploring their tank, making them a moderate activity level fish.
Frequently Asked Questions
Can Pygmy Corydoras live with Weather Loach?
With significant caution and a larger tank. Pygmy Corydoras and Weather Loach can potentially coexist, but the combination requires careful attention. Both species are peaceful, and neither poses a major aggression risk to the other. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Pygmy Corydoras and Weather Loach together?
A minimum of 100 gallons is recommended for keeping Pygmy Corydoras and Weather Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pygmy Corydoras and Weather Loach?
72โ77ยฐF โ inside Pygmy Corydoras's 72โ79ยฐF and Weather Loach's 50โ77ยฐF.
Is a Pygmy Corydoras aggressive toward a Weather Loach?
Pygmy Corydoras is peaceful and Weather Loach is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pygmy Corydoras and Weather Loach
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 220 gal | Best when keeping larger schools or reducing territorial pressure. |