🐟 Undecimalis Pleco – (Pterygoplichthys undecimalis) – Large South American Algae-Eating Pleco
The Undecimalis Pleco (Pterygoplichthys undecimalis) is a large, hardy freshwater pleco species native to rivers and floodplain systems of South America. Known for its tall dorsal fin with 11 or more rays, striking reticulated pattern, and strong algae-grazing ability, this species is both beautiful and functional in large aquariums or ponds. As a member of the Pterygoplichthys genus, it grows significantly larger than common Ancistrus species, making it best suited for experienced aquarists with spacious setups.
🔎 Quick Facts – Undecimalis Pleco (Pterygoplichthys undecimalis)
😇 Behavior & Temperament
🏠 Aquarium & Tank Requirements
💧 Water Parameters – Undecimalis Pleco Care
🍽️ Diet – Omnivorous with Herbivorous Preference
📋 Undecimalis Pleco Overview Table
Feature | Details |
---|---|
🌍 Origin | Amazon & Orinoco River Basins – South America |
📏 Max Size | 18–20 inches |
😇 Temperament | Peaceful, community-safe |
🏠 Tank Size | 125+ gallons |
⚗️ pH Range | 6.5–7.8 |
🌡️ Temperature | 74–82°F |
🍽️ Diet | Herbivorous/omnivorous – algae, vegetables, occasional protein |
🎯 Ideal For | Large aquariums or indoor ponds |
✨ Highlight:
The Undecimalis Pleco is a large, peaceful algae-eating pleco with bold reticulated markings and an impressive dorsal fin — ideal for spacious aquariums or ponds needing both beauty and algae control.