Can Molly Live With Pygmy Corydoras?
❌Not Compatible
Molly and Pygmy Corydoras are not compatible due to size mismatch or behavioral conflicts.
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Parameter Comparison
| Parameter | Molly | Pygmy Corydoras | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 72–79°F | 72–79°F ✓ |
| pH Range | 7–8.5 | 6–7.5 | 7–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 4.5" | 1" | Size mismatch ✗ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Molly
Poecilia sphenops
beginnerpeaceful20+ gal
Mollies are versatile livebearers that come in many varieties including black, dalmatian, balloon, and sailfin. They prefer hard, alkaline water and can even tolerate brackish conditions. They are active, personable fish that breed easily.
Full care guide →Pygmy Corydoras
Corydoras pygmaeus
beginnerpeaceful10+ gal
Pygmy corydoras are tiny, adorable catfish that max out at just 1 inch. Unlike other corys that stay on the bottom, pygmy corys are unique in that they frequently swim in the mid-water column, hovering in groups like tiny helicopters. They are perfect for nano tanks and shrimp tanks, and their micro-schooling behavior is endlessly entertaining.
Full care guide →Other Compatible Tank Mates
For Molly:
For Pygmy Corydoras:
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