Bristlenose Pleco Care Sheet

Beginner

Ancistrus cirrhosus · pleco

A hardy, nocturnal algae eater ideal for beginners. Provide driftwood for grazing and hiding.

Quick care stats

Adult size4-5 inches

Lifespan5-10 years

Min tank size20 gallons

Water temp72-80°F

pH6.5-7.5

Hardness2-12 dGH

Temperamentpeaceful

Group / schoolingsolo or group with ample space

Tank matesPeaceful community fish like tetras, rasboras, and Corydoras.

DietHerbivorous; feed algae wafers, spirulina, and blanched vegetables (zucchini, cucumber) daily.

What you need (full setup)

🔧 Tank (20 gallon minimum)Provides adequate swimming space and stable water conditions.🔧 Canister or HOB filterHandles heavy bioload and maintains water quality.🔧 Adjustable heater (100W)Maintains stable temperature in the 72-80°F range.🔧 ThermometerMonitors water temperature accurately.🔧 Smooth gravel or sand substratePrevents injury to barbels and allows natural foraging.🔧 Water conditioner (dechlorinator)Removes chlorine/chloramines from tap water.🔧 API Master Test KitRegularly monitors ammonia, nitrite, nitrate, and pH.🔧 Driftwood and live plantsDriftwood provides essential fiber and hiding spots; plants improve water quality.

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Common health issues

Nutritional deficiencies from insufficient vegetable matter
Territorial aggression toward other plecos in small tanks
High bioload requires strong filtration

⚠️ For any sign of illness (not eating, lethargy, swelling, retained shed), see a qualified exotics vet. Care sheets are general guidance only.