Origins and Classification
- Scientific Name: Ancistrus cirrhosus (commonly known as the Bristlenose or Bushy Nose Pleco)
- Family: Loricariidae (Armored Catfish)
- Origin: Native to South America, primarily found in the Amazon Basin and its tributaries, living in fast-flowing, oxygen-rich waters.
- Popularity: Highly valued among aquarists for its algae-eating abilities, peaceful temperament, and unique facial bristles, making it one of the most popular Pleco species for community aquariums.
🎨 Appearance
- Color: Typically mottled brown, black, or gray, sometimes with lighter spots or patterns depending on the variant (albino, super red, or longfin types exist).
- Structure:
- Flattened body with a sucker mouth designed for clinging to surfaces and scraping algae.
- Males feature prominent bushy tentacle-like growths on their snout (females have smaller or none).
- Armored plates cover the body for protection.
- Size: Grows to about 4–6 inches (10–15 cm).
- Lifespan: 5–8 years, sometimes longer with excellent care.
🏡 Tank Requirements
- Tank Size: Minimum 30 gallons for one adult; larger tanks for multiple individuals.
- Water Parameters:
- Temperature: 72–82°F (22–28°C)
- pH: 6.5–7.5
- Hardness: 5–15 dGH
- Lighting: Moderate; prefers slightly shaded or dimly lit tanks.
- Substrate: Smooth gravel or sand.
- Habitat Setup:
- Include driftwood, rocks, and caves — they love to hide and graze.
- Add live plants for natural shading.
- Maintain gentle water flow and strong filtration for optimal oxygenation.



