Can Pygmy Cory live with Blue Phantom Pleco?
Caution — with care
Why
- Very different sizes (Blue Phantom Pleco 7" vs Pygmy Cory 1") — these two need different tanks, and the smaller fish will be out-competed at feeding time.
- Only a narrow water hardness overlap — keep both around 5.5–7 dGH.
Sweet spot: both do well at 75–79°F and pH 6.5–7.5 — aim there.
Side-by-side
| Pygmy Cory | Blue Phantom Pleco | |
|---|---|---|
| Temperature | 72–79°F | 75–82°F |
| pH | 6–7.5 | 6.5–7.6 |
| Hardness (GH) | 2–12 dGH | 5.5–7 dGH |
| Adult size | 1" | 7" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 55 gal |
Together, plan on at least 55 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: A larger tank · GH remineraliser
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Design a tank with Pygmy Cory, Blue Phantom Pleco →Everything compatible with Pygmy Cory · …with Blue Phantom Pleco