Bristlenose Plecostomus

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Scientific Name: Ancistrus sp.

Family: Loricariidae

Origin: Tank raised, species from South America


Quick Facts

  • Care Level: Easy
  • Temperament: Peaceful
  • Lifespan: 10-15 years average, 20-30 possible
  • Water Conditions: 74-79° F, KH 6-10, pH 6.5-7.4
  • Maximum Size: 3"- 4.5"
  • Diet: Omnivore
  • Minimum Tank Size: 30 gallons



The Bristlenose Plecostomus is also frequently called the Bushynose Plecostomus. This species comes in a variety of colorations and fin types. This variety is the same in appearance as they are in the wild, and is brown in color with some mottled, lighter brown markings and spots throughout the body. As they age and gain size, short, whisker like appendages will grow from their nose. These help them to "smell" food and give them their name. 

Like most other plecos, they require driftwood and rockwork with plenty of secluded hiding places to reduce stress. They can be housed with a wide variety of community fish and even more aggressive fish. They are not picky eaters and can be fed a variety of foods; they will eat leftovers from their tankmates, algae, and also can be supplemented with algae wafers and other herbivorous preparations. 

They are easy to breed and will spawn in captivity without much effort on the aquarist's part.