Bristlenose Pleco

A hardy algae-eating catfish that can be a helpful member of a community tank. Bristlenose plecos still need proper food, hiding places, and adequate tank size.

tankSize
80L (20 gal) minimum, larger is easier
careLevel
Beginner to Intermediate
temperature
23 to 27C
temperament
Peaceful
diet
Algae wafers, sinking pellets, and vegetables
lifespan
5 to 10 years
aloneOrCommunity
Community (generally fine solo)
weeklyMaintenance
Partial water changes and regular filter care

Best for

  • Owners who want a helpful bottom fish in a community tank
  • People who can provide hiding spots and proper diet
  • Tanks that need a hardy algae grazer
  • Homes with a medium-sized aquarium

Not ideal for

  • Very small tanks
  • People who expect a fish to 'clean the tank' without maintenance
  • Tanks with aggressive bottom dwellers
  • Owners who do not want to provide vegetables and sinking foods

Temperament

  • Calm and mostly nocturnal
  • Enjoys hiding places and driftwood
  • Generally peaceful with compatible tank mates

Daily routine

feeding: Feed sinking foods daily and add vegetables a few times per week.
check: Monitor behavior at feeding times and watch for normal breathing.
enrichment: Provide caves, driftwood, and shaded areas.

Living fit

smallHome: Works if you can provide a properly sized tank and hiding places.
kids: Fun to watch, especially during feeding time.
firstTimeOwner: Good if you understand tank size and dietary needs.

Health notes

  • Needs a proper diet, not only algae in the tank.
  • Clean, oxygenated water supports long-term health.
  • Quarantine new fish when possible.

Cost and time

time: Low daily time, weekly maintenance required.
cost: Moderate setup and ongoing food costs (wafers, vegetables).

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