Can Royal Pleco live with Colombian Ramshorn?
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 73–82°F and pH 7–7.5 — aim there.
Side-by-side
| Royal Pleco | Colombian Ramshorn | |
|---|---|---|
| Temperature | 73–82°F | 68–82°F |
| pH | 6.5–7.5 | 7–8.5 |
| Hardness (GH) | 4–12 dGH | 8–20 dGH |
| Adult size | 17" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 120 gal | 30 gal |
Together, plan on at least 120 gallons.
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Design a tank with Royal Pleco, Colombian Ramshorn →Everything compatible with Royal Pleco · …with Colombian Ramshorn