Can Common Pleco live with Otocinclus Catfish?

Caution — with care

Why

Sweet spot: both do well at 72–79°F and pH 6–7.5 — aim there.

Side-by-side

Common PlecoOtocinclus Catfish
Temperature72–82°F72–79°F
pH6–86–7.5
Hardness (GH)5–20 dGH2–10 dGH
Adult size24"1.5"
TemperamentPeacefulPeaceful
Min tank150 gal10 gal

Together, plan on at least 150 gallons.

Where to buy

Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.

Design the whole tank, not just the stocking

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Design a tank with Common Pleco, Otocinclus Catfish →

Everything compatible with Common Pleco · …with Otocinclus Catfish

Related pairings

Common Pleco + Neon TetraCommon Pleco + Cherry ShrimpCommon Pleco + AngelfishCommon Pleco + Nerite SnailCommon Pleco + Amano ShrimpCommon Pleco + Harlequin Rasbora