Can Common Pleco live with Marbled Crayfish?

Not recommended

Why

Side-by-side

Common PlecoMarbled Crayfish
Temperature72–82°F64–77°F
pH6–86.5–8
Hardness (GH)5–20 dGH5–20 dGH
Adult size24"5"
TemperamentPeacefulAggressive
Min tank150 gal30 gal

Together, plan on at least 150 gallons.

Compatible alternatives

Instead of Common Pleco (to keep Marbled Crayfish):

Instead of Marbled Crayfish (to keep Common Pleco):

Design the whole tank, not just the stocking

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Design a tank with Common Pleco, Marbled Crayfish →

Everything compatible with Common Pleco · …with Marbled Crayfish

Related pairings

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