Octopus is shellfish, as are all Cephalopoda.
No, it is a *cephalopod mollusc* (Octopoda - "Eight legs"). Not all Cephalopoda have shell, nor can they be called Shellfish. Octupus is a mollusk.
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No, it is a *cephalopod mollusc* (Octopoda - "Eight legs"). Not all Cephalopoda have shell, nor can they be called Shellfish.
Octupus is a mollusk.