Can Black Molly live with Bristlenose Pleco?
Compatible
Why
No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.
Sweet spot: both do well at 73–81°F and pH 7–7.5 — aim there.
Side-by-side
| Black Molly | Bristlenose Pleco | |
|---|---|---|
| Temperature | 72–82°F | 73–81°F |
| pH | 7–8.5 | 6–7.5 |
| Hardness (GH) | 12–30 dGH | 2–15 dGH |
| Adult size | 4" | 5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 25 gal |
Together, plan on at least 30 gallons.
Where to buy
- Black Molly: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Bristlenose Pleco: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Build a full tank around this stocking →Everything compatible with Black Molly · …with Bristlenose Pleco