Can Black Molly live with Common Pleco?
Caution — with care
Why
- Very different sizes (Common Pleco 24" vs Black Molly 4") — these two need different tanks, and the smaller fish will be out-competed at feeding time.
Sweet spot: both do well at 72–82°F and pH 7–8 — aim there.
Side-by-side
| Black Molly | Common Pleco | |
|---|---|---|
| Temperature | 72–82°F | 72–82°F |
| pH | 7–8.5 | 6–8 |
| Hardness (GH) | 12–30 dGH | 5–20 dGH |
| Adult size | 4" | 24" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 150 gal |
Together, plan on at least 150 gallons.
Design the whole tank, not just the stocking
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Design a tank with Black Molly, Common Pleco →Everything compatible with Black Molly · …with Common Pleco