How Many Rubber Lip Pleco in a 40-Gallon Tank?
In a 40-gallon tank, plan on about 1–2 Rubber Lip Pleco, leaving room for tankmates and filtration headroom.
Why
Stocking is driven by adult size and waste output, not just fish count. Rubber Lip Pleco reaches about 5" with a heavy bioload, and needs 70–78°F water at pH 6.5–8. Always cycle the tank and test water before adding livestock.
| Adult size | 5" |
|---|---|
| Minimum tank | 30 gallons |
| Temperature | 70–78°F |
| pH | 6.5–8 |
| Temperament | Peaceful |
| Schooling | No |
| Diet | Herbivore |
| Care level | Easy |
| Origin | Colombia and Venezuela |
More fish for a 40-gallon tank → Rubber Lip Pleco tankmates →