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Ucayali Orange Spot Bristlenose - (Ancistrus sp. `RIO UCAYALI`)
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Ucayali Orange Spot Bristlenose - (Ancistrus sp. `RIO UCAYALI`)

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Ucayali Orange Spot Bristlenose - (Ancistrus sp. `RIO UCAYALI`)
Fish Details, Description and Information Below:

🐟 Ucayali Orange Spot Bristlenose – (Ancistrus sp. "Rio Ucayali") – Rare Peruvian Bristlenose Pleco

The Ucayali Orange Spot Bristlenose (Ancistrus sp. "Rio Ucayali") is a rare and attractive bristlenose pleco native to the Ucayali River in Peru, a major tributary of the Amazon River. This species is easily recognized by its dark brown to black base coloration, accented with scattered bright orange spots and the signature bristles on the head of mature males. Hardy, peaceful, and excellent at controlling algae, the Ucayali Orange Spot Bristlenose is both a functional and visually appealing choice for freshwater aquariums.


🔎 Quick Facts – Ucayali Orange Spot Bristlenose (Ancistrus sp. "Rio Ucayali")

  • 📛 Common Name: Ucayali Orange Spot Bristlenose
  • 🔬 Scientific Name: Ancistrus sp. "Rio Ucayali"
  • 🌍 Origin: Ucayali River, Peru – Amazon Basin
  • 🎨 Appearance: Dark base color with scattered orange spots; mature males develop head bristles
  • 📏 Max Size: 4–5 inches (10–13 cm)
  • 💎 Availability: Rare; sought after by pleco collectors

😇 Behavior & Temperament

  • 🤝 Peaceful and community-friendly
  • 🌿 Excellent algae grazer
  • 🐟 Males may be territorial with other male bristlenoses

🏠 Aquarium & Tank Requirements

  • 📦 Minimum Tank Size: 20+ gallons
  • 🪵 Provide driftwood for grazing and hiding
  • 🪨 Caves or pleco tubes for breeding and shelter
  • 💡 Low to moderate lighting to mimic natural habitat

💧 Water Parameters – Ucayali Orange Spot Bristlenose Care

  • 🌡️ Temperature: 74–80°F (23–27°C)
  • ⚗️ pH: 6.0–7.5
  • 💧 Hardness: Soft to moderately hard water

🍽️ Diet – Omnivorous with Herbivorous Preference

  • 🌿 Algae wafers, fresh vegetables (zucchini, cucumber, spinach)
  • 🐟 Occasional protein foods like bloodworms or shrimp
  • 🪵 Benefits from driftwood as part of diet

📋 Ucayali Orange Spot Bristlenose Overview Table

Feature Details
🌍 Origin Ucayali River, Peru – Amazon Basin
📏 Max Size 4–5 inches
😇 Temperament Peaceful, community-friendly
🏠 Tank Size 20+ gallons
⚗️ pH Range 6.0–7.5
🌡️ Temperature 74–80°F
🍽️ Diet Herbivorous/omnivorous – algae, vegetables, occasional protein
🎯 Ideal For Planted or community aquariums

✨ Highlight:
The Ucayali Orange Spot Bristlenose is a rare Peruvian pleco that combines excellent algae-eating ability with bright orange spotting — a perfect mix of beauty and functionality for freshwater aquariums.

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